Compare 660066 vs 660071
| Property | 660066 | 660071 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 21 × 31 × 111 × 731 × 1371 | 6600711 |
| Prime factorization | 2 × 3 × 11 × 73 × 137 | 660071 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 3, 6, 11, 22, 33, 66, 73, 137, 146, 219, 274, 411, 438, 803, 822, 1507, 1606, 2409, 3014, 4521, 4818, 9042, 10001, 20002, 30003, 60006, 110011, 220022, 330033, 660066 | 1, 660071 |
| Number of properties | 0 | 5 |
| Chen primes | 20959th | |
| Cousin primes (2nd member) | 5776th | |
| Primes | 53572nd | |
| Prime triplets (2nd member) | 2100th | |
| Twin primes (1st member) | 5778th | |
| Roman numberals | ||
| Base 2 | 101000010010011000102 | 101000010010011001112 |
| Base 3 | 10201121022203 | 10201121100023 |
| Base 4 | 22010212024 | 22010212134 |
| Base 5 | 1321102315 | 1321102415 |
| Base 6 | 220515106 | 220515156 |
| Base 7 | 54162517 | 54162567 |
| Base 8 | 24111428 | 24111478 |
| Base 9 | 12153869 | 12154029 |
| Base 10 | 66006610 | 66007110 |
| Base 11 | 410a1011 | 410a1511 |
| Base 12 | 279b9612 | 279b9b12 |
| Base 13 | 1a159413 | 1a159913 |
| Base 14 | 13279814 | 13279d14 |
| Base 15 | d089615 | d089b15 |
| Base 16 | a126216 | a126716 |