Numbers / 808

The Number 808

808 is composite: factorization 2^3 × 101. That gives 808 exactly 8 divisors: 1, 2, 4, 8, 101, 202, 404, 808. 808's proper divisors total just 722, 86 short of 808, the deficient case most of 808's neighbors share too. 808 is also a palindrome, since 808 reads identically forwards and backwards. 808 has a digit sum of 16; for 808, the digital root works out to 7. 808: 2, 4, 8 all divide 808 evenly, out of 2-12. 808 is 1100101000 in binary and 328 in hex; as a Roman numeral it's DCCCVIII.