Compare 1972 vs 1977
| Property | 1972 | 1977 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 171 × 291 | 31 × 6591 |
| Prime factorization | 2 × 2 × 17 × 29 | 3 × 659 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972 | 1, 3, 659, 1977 |
| Number of properties | 0 | 1 |
| Semiprimes | 571st | |
| Roman numberals | MCMLXXII | MCMLXXVII |
| Base 2 | 111101101002 | 111101110012 |
| Base 3 | 22010013 | 22010203 |
| Base 4 | 1323104 | 1323214 |
| Base 5 | 303425 | 304025 |
| Base 6 | 130446 | 130536 |
| Base 7 | 55157 | 55237 |
| Base 8 | 36648 | 36718 |
| Base 9 | 26319 | 26369 |
| Base 10 | 197210 | 197710 |
| Base 11 | 153311 | 153811 |
| Base 12 | 118412 | 118912 |
| Base 13 | b8913 | b9113 |
| Base 14 | a0c14 | a1314 |
| Base 15 | 8b715 | 8bc15 |
| Base 16 | 7b416 | 7b916 |