80 (number)
80 (eighty) is the natural number following 79 and preceding 81.
| ← 79 81 → 80 | |||
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← 80 81 82 83 84 85 86 87 88 89 → List of numbers — Integers 0 10 20 30 40 50 60 70 80 90 → |
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| Cardinal | eighty | ||
| Ordinal | 80th (eightieth) |
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| Numeral system | 80 | ||
| Factorization | |||
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 | ||
| Roman numeral | LXXX | ||
| Binary | 10100002 | ||
| Ternary | 22223 | ||
| Quaternary | 11004 | ||
| Octal | 1208 | ||
| Duodecimal | 6812 | ||
| Hexadecimal | 5016 | ||
| Vigesimal | 4020 | ||
| Base 36 | 2836 | Hebrew | פ (Peh) |
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