Number reference
88 explained.
88: eighty-eight, composite, repdigit; factors, prime factorization, roots, binary, hexadecimal, and digit properties.
Identity and representations
- Written form
- eighty-eight
- Classification
- composite
- Factors
- 1, 2, 4, 8, 11, 22, 44, 88
- Prime factorization
- 2 × 2 × 2 × 11
- Square root
- 9.380832
- Cube root
- 4.44796
- Binary
- 1011000
- Octal
- 130
- Hexadecimal
- 58
- Roman numeral
- LXXXVIII
- Digit sum
- 16
- Digital root
- 7
What makes 88 notable
- Repdigit. 88 is written with a single repeated digit, so it is divisible by the repunit of the same length.
88 in everyday use
Eighty-eight is the number of keys on a standard piano and the number of modern constellations recognised by the International Astronomical Union.
Nearby numbers
How to read this page
The factor list shows every way 88 splits into equal whole-number groups — 8 divisors in total. The prime factorisation is the compact form of that same information, and the base conversions restate 88 for contexts that do not use decimal.
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