77 (number)
77 is the natural number following 76 and preceding 78. Seventy-seven is the smallest positive integer requiring five syllables in English.
| |||
| Cardinal | seventy-seven | ||
| Ordinal | 77th (seventy-seventh) | ||
| Factorization | : | ||
| Roman numeral | LXXVII | ||
| Binary | 1001101 | ||
| Hexadecimal | 4D | ||
Seventy-seven is the sum of three squares, 42 + 52 + 62, as well as the sum of the first eight prime numbers.
Seventy-seven is also:
- The atomic number of iridium.
- The designation of Interstate 77, a freeway that runs from South Carolina to Ohio.
- The registry of the U.S. Navy's in-construction nuclear aircraft carrier USS George H. W. Bush (CVN-77), named after U.S. President George H. W. Bush.
- The year AD 77, 77 BC, or 1977.