Monday, August 2, 2010

498

498 = 2 x 3 x 83. 498 is the product of three distinct Sophie Germain primes.

498 is the number of necklaces possible with eight beads, each being one of three colors.

498 is 3443 in base 5.

The digit 9 occurs in the 498th position of the decimal expansion of pi.

498 is a number n such that 2n + 1 and 4n + 1 are primes: 997 and 1993.

498 Tokio is an asteroid discovered in 1900.

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2 comments:

  1. AnonymousAugust 2, 2010 at 1:30 PM

    Other properties of the number 498
    The 498 can be represented as:
    498=2^9-14
    498=4^2+11^2+19^2
    498^2+62000^2=62002^2
    498 is a number sphenic to have three prime factors in its structure, see
    A007304
    498 is a number that is not untouchable and sum of the divisors of any number.
    A005114 and http://mathworld.wolfram.com/UntouchableNumber
    Rafael Parra Machio

    ReplyDelete
  2. AnonymousAugust 2, 2010 at 7:27 PM

    How is 498 the number of necklaces with 8 beads, each one of three colors?

    ReplyDelete