87 (number)
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|---|---|---|---|---|
| Cardinal | eighty-seven | |||
| Ordinal | 87th (eighty-seventh) |
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| Factorization | 3 × 29 | |||
| Divisors | 1, 3, 29, 87 | |||
| Roman numeral | LXXXVII | |||
| Binary | 10101112 | |||
| Ternary | 100203 | |||
| Quaternary | 11134 | |||
| Quinary | 3225 | |||
| Senary | 2236 | |||
| Octal | 1278 | |||
| Duodecimal | 7312 | |||
| Hexadecimal | 5716 | |||
| Vigesimal | 4720 | |||
| Base 36 | 2F36 | |||
87 (eighty-seven) is the natural number following 86 and preceding 88.
87 is:
The aliquot sum of 87 is 33 within the aliquot sequence (87,33,15,9,4,3,1,0) 86 being the eighteenth composite number in the 3-aliquot tree.
Eighty-seven is also:
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