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.

Source: What's Special About This Number?