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  3. What is so special ???

What is so special ???

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  • B Brad Raulston

    Days since last pay raise??

    Brad

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    Sandeep Mewara
    wrote on last edited by
    #27

    Well.... if it's possible... +2 :thumbsup:

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    • B Brady Kelly

      What in all gods' name is alphabetical about 8,549? :confused:

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      Sandeep Mewara
      wrote on last edited by
      #28

      8 - Eight 5 - Five 4 - Four 9 - Nine ... goes on... can you notice?

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      • S Sandeep Mewara

        You must have seen that it has all the numbers from 0-9 once and thus the sum would be 45, which is divisible by 3... not a prime!

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        Single Step Debugger
        wrote on last edited by
        #29

        Yes I remember this one; if the sum of the digits in a number is divisible by 3 this means that the number is also divisible by 3.

        The narrow specialist in the broad sense of the word is a complete idiot in the narrow sense of the word. Advertise here – minimum three posts per day are guaranteed.

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        • S Sandeep Mewara

          +10 :thumbsup: & a 5! How long did you took to figure it out?

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          PIEBALDconsult
          wrote on last edited by
          #30

          Sandeep Mewara wrote:

          How long did you took to figure it out?

          Maybe three seconds to form a hypothesis and another five to test and confirm the truth of it.

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          • P PIEBALDconsult

            Sandeep Mewara wrote:

            How long did you took to figure it out?

            Maybe three seconds to form a hypothesis and another five to test and confirm the truth of it.

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            Sandeep Mewara
            wrote on last edited by
            #31

            Terrific! :thumbsup:

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            • B Brady Kelly

              Is it prime? That would be a clue, but I have no hope of even guessing. :-O

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              Ennis Ray Lynch Jr
              wrote on last edited by
              #32

              8,549,176,320 is even!

              Need custom software developed? I do custom programming based primarily on MS tools with an emphasis on C# development and consulting. I also do Android Programming as I find it a refreshing break from the MS. "And they, since they Were not the one dead, turned to their affairs" -- Robert Frost

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              • P PIEBALDconsult

                The digits are alphabetical.

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                Lost User
                wrote on last edited by
                #33

                PIEBALDconsult wrote:

                The digits are alphabetical.

                Except that 0 (nought) is in the wrong place. ;)

                It's time for a new signature.

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                • S Sandeep Mewara

                  +10 :thumbsup: & a 5! How long did you took to figure it out?

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                  Pete OHanlon
                  wrote on last edited by
                  #34

                  Only works if you say zero as opposed to nought or nothing.

                  "WPF has many lovers. It's a veritable porn star!" - Josh Smith

                  As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.

                  My blog | My articles | MoXAML PowerToys | Onyx

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                  • S Single Step Debugger

                    Yes I remember this one; if the sum of the digits in a number is divisible by 3 this means that the number is also divisible by 3.

                    The narrow specialist in the broad sense of the word is a complete idiot in the narrow sense of the word. Advertise here – minimum three posts per day are guaranteed.

                    D Offline
                    D Offline
                    Dan Neely
                    wrote on last edited by
                    #35

                    Deyan Georgiev wrote:

                    Yes I remember this one; if the sum of the digits in a number is divisible by 3 this means that the number is also divisible by 3.

                    or if the sum is divisible by 9, so is the original. If the last 2 digits of a number are divisible by 4, so is the whole number, for 8 it's the last 3 digits. I hope no one here needs to be told the tricks for 1, 2, and 5. There is no shortcut for checking if a number is divisible by 7. :doh:

                    3x12=36 2x12=24 1x12=12 0x12=18

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                    • S Sandeep Mewara

                      The following number is the only one of its kind: 8,549,176,320 Can you figure out what is so special about it? P.S.: Give a try, before doing a Google please! :)

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                      Nagy Vilmos
                      wrote on last edited by
                      #36

                      If I remember correctly it's the only number divisible by 1-10 with all ten digits. [now I'll read what else has been said]


                      Panic, Chaos, Destruction. My work here is done. or "Drink. Get drunk. Fall over." - P O'H

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                      • S Sandeep Mewara

                        8 - Eight 5 - Five 4 - Four 9 - Nine ... goes on... can you notice?

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                        Brady Kelly
                        wrote on last edited by
                        #37

                        Yeah, got it second time, thanks. Stupid assumption that 'alphabetic' is ascending from 'a' being 1.

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                        • D Dan Neely

                          Deyan Georgiev wrote:

                          Yes I remember this one; if the sum of the digits in a number is divisible by 3 this means that the number is also divisible by 3.

                          or if the sum is divisible by 9, so is the original. If the last 2 digits of a number are divisible by 4, so is the whole number, for 8 it's the last 3 digits. I hope no one here needs to be told the tricks for 1, 2, and 5. There is no shortcut for checking if a number is divisible by 7. :doh:

                          3x12=36 2x12=24 1x12=12 0x12=18

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                          Single Step Debugger
                          wrote on last edited by
                          #38

                          Haven’t known the tricks for 4 and 8, thanks!

                          The narrow specialist in the broad sense of the word is a complete idiot in the narrow sense of the word. Advertise here – minimum three posts per day are guaranteed.

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                          • S Sandeep Mewara

                            +10 :thumbsup: & a 5! How long did you took to figure it out?

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                            hairy_hats
                            wrote on last edited by
                            #39

                            But "nought" comes before "two" and "three". ;P

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                            • S Sandeep Mewara

                              You must have seen that it has all the numbers from 0-9 once and thus the sum would be 45, which is divisible by 3... not a prime!

                              M Offline
                              M Offline
                              Marc Clifton
                              wrote on last edited by
                              #40

                              Sandeep Mewara wrote:

                              You must have seen that it has all the numbers from 0-9 once and thus the sum would be 45, which is divisible by 3... not a prime!

                              Geez, that's complicated. It ends with a zero. It's divisible (at minimum) by 2, 5 and 10. No need to reach for further complexity to determine that it's not a prime! Marc

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