Compare 201231 vs 201239
| Property | 201231 | 201239 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 33 × 291 × 2571 | 611 × 32991 |
| Prime factorization | 3 × 3 × 3 × 29 × 257 | 61 × 3299 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 9, 27, 29, 87, 257, 261, 771, 783, 2313, 6939, 7453, 22359, 67077, 201231 | 1, 61, 3299, 201239 |
| Number of properties | 0 | 1 |
| Semiprimes | 45511th | |
| Roman numberals | ||
| Base 2 | 1100010010000011112 | 1100010010000101112 |
| Base 3 | 1010200010003 | 1010200010223 |
| Base 4 | 3010200334 | 3010201134 |
| Base 5 | 224144115 | 224144245 |
| Base 6 | 41513436 | 41513556 |
| Base 7 | 14654527 | 14654637 |
| Base 8 | 6110178 | 6110278 |
| Base 9 | 3360309 | 3360389 |
| Base 10 | 20123110 | 20123910 |
| Base 11 | 12820811 | 12821511 |
| Base 12 | 9855312 | 9855b12 |
| Base 13 | 7079413 | 7079c13 |
| Base 14 | 5349914 | 534a314 |
| Base 15 | 3e95615 | 3e95e15 |
| Base 16 | 3120f16 | 3121716 |