Wednesday, September 14, 2011

Harshad Number

Two New Fiat 500, LivornoA Harshad number, or Niven number in a given number base, is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers were defined by D. R. Kaprekar, a mathematician from India. The word “Harshad” comes from the Sanskrit harṣa (joy) + da (give), meaning joy-giver. (Wikipedia)

1000 is a typical Harshad number and it really gives us joy, but for an almost unmathematical reason: this is our thousandth post! Considered that the only thing around containing this number was an unexploded 1000-pound bomb, we settled for two Fiat 500.

See also: Harshad number - Fiat 500 (2007) (Wikipedia)
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25 comments:

  1. Traveling HawkSeptember 14, 2011 at 12:11 AM

    Congratulations! And many posts in the fuutre too!

    I like the colors of the two cars.

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  2. JackSeptember 14, 2011 at 2:52 AM

    I will not take any questions about Harshad numbers. BUT, I am impressed that you have reached 1,000 posts. Congratulations, VP!

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  3. Leif HagenSeptember 14, 2011 at 2:55 AM

    Cute, colorful, camera critter capture! Never seen those cars before now! I'd be tempted to hug the pink one!
    CONGRATULATIONS on your 100th posting - I'm heading towards my 900th!

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  4. Luis GomezSeptember 14, 2011 at 3:03 AM

    Congratulations VP! Great post I love those Fiat 500. I have even been thinking about getting one. Although I truly love my Piaggio scotter.

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  5. MichelleSeptember 14, 2011 at 3:08 AM

    Congrats VP! Great little lipstick pink car.

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  6. RandySeptember 14, 2011 at 4:07 AM

    Congratulation on your 1000th. You should treat yourself to one of these. I saw a red one around town the other day. Moving pretty fast too.

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  7. DinaSeptember 14, 2011 at 7:02 AM

    Mazal tov on a thousand posts well done.
    And what an ingenious way of announcing this!

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  8. TashSeptember 14, 2011 at 8:27 AM

    AWESOME!!! Congrats. What a great idea for 500+500th post. Joy-giving images.

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  9. PerthDailyPhotoSeptember 14, 2011 at 8:50 AM

    Happy 1000th post VP, quite an achievement, very clever and colourful way of reaching your 'Harshad' number!!

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  10. KarlSeptember 14, 2011 at 9:12 AM

    Congratulations VP!
    I love the pink cinquecento ;)

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  11. brattcatSeptember 14, 2011 at 12:23 PM

    Congratulations!!!!

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  12. KaoriSeptember 14, 2011 at 12:24 PM

    We call 1000 "sen" in Japanese! Congratulations ;D

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  13. Doug HickokSeptember 14, 2011 at 12:50 PM

    That is awesome. Congratulations on the grand number! Cool shot and caption.

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  14. Cezar and LéiaSeptember 14, 2011 at 1:17 PM

    Congratulations!It's wonderful!
    Léia

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  15. Babzy.BSeptember 14, 2011 at 1:24 PM

    How clever you are ;) Happy 1000 !

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  16. AriannaSeptember 14, 2011 at 2:34 PM

    Complimentissimi! E certo, meglio le 500 della bomba :) ciaoooo, Arianna

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  17. jooSeptember 14, 2011 at 2:51 PM

    WOW, Congratulations and I'm looking for another 1000:)

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  18. KateSeptember 14, 2011 at 4:39 PM

    Good choice...leave the unexploded 1000-pound bombs alone! I wouldn't mind owning the pink number! Congratulations on your benchmark post!

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  19. UnknownSeptember 14, 2011 at 7:17 PM

    Congratulations on the 1000th post, VP!

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  20. MoSeptember 14, 2011 at 10:14 PM

    Congratulations

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  21. EG CameraGirlSeptember 14, 2011 at 10:37 PM

    Congratulations on your 1,000th post!

    Harshad? Very cool!

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  22. HalcyonSeptember 16, 2011 at 4:47 AM

    Love this one!!!
    Happy 500 + 500 post. :)

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  23. Rob SiemannSeptember 19, 2011 at 7:40 PM

    Lots of joy to you! Tanti auguri!

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  24. Lucas KainSeptember 26, 2011 at 1:09 PM

    Wow, quite nice! :) Wasn't aware of the harshad number. Thanks!

    ___
    International Calls USA

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  25. GunnSeptember 27, 2011 at 10:51 AM

    I love them both!!
    Italian design!

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