Number reference
496 explained.
496: four hundred ninety-six, composite, perfect number; factors, prime factorization, roots, binary, hexadecimal, and digit properties.
Identity and representations
- Written form
- four hundred ninety-six
- Classification
- composite
- Factors
- 1, 2, 4, 8, 16, 31, 62, 124, 248, 496
- Prime factorization
- 2 × 2 × 2 × 2 × 31
- Square root
- 22.271057
- Cube root
- 7.915783
- Binary
- 111110000
- Octal
- 760
- Hexadecimal
- 1F0
- Roman numeral
- CDXCVI
- Digit sum
- 19
- Digital root
- 1
What makes 496 notable
- Perfect number. 496 is a perfect number — its proper divisors (1 + 2 + 4 + 8 + 16 + 31 + 62 + 124 + 248) sum to exactly 496. Only three perfect numbers exist below one thousand.
- Triangular number. 496 is the 31st triangular number: it is the sum 1 + 2 + … + 31, the count of items in a triangle with 31 rows.
496 in everyday use
Four hundred ninety-six is the third perfect number: its proper divisors add up to exactly itself. Perfect numbers are rare — only 6, 28, and 496 appear below a thousand.
Nearby numbers
How to read this page
The factor list shows every way 496 splits into equal whole-number groups — 10 divisors in total. The prime factorisation is the compact form of that same information, and the base conversions restate 496 for contexts that do not use decimal.
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