Compare 201231 vs 201242
| Property | 201231 | 201242 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 33 × 291 × 2571 | 21 × 1006211 |
| Prime factorization | 3 × 3 × 3 × 29 × 257 | 2 × 100621 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 9, 27, 29, 87, 257, 261, 771, 783, 2313, 6939, 7453, 22359, 67077, 201231 | 1, 2, 100621, 201242 |
| Number of properties | 0 | 1 |
| Semiprimes | 45513th | |
| Roman numberals | ||
| Base 2 | 1100010010000011112 | 1100010010000110102 |
| Base 3 | 1010200010003 | 1010200011023 |
| Base 4 | 3010200334 | 3010201224 |
| Base 5 | 224144115 | 224144325 |
| Base 6 | 41513436 | 41514026 |
| Base 7 | 14654527 | 14654667 |
| Base 8 | 6110178 | 6110328 |
| Base 9 | 3360309 | 3360429 |
| Base 10 | 20123110 | 20124210 |
| Base 11 | 12820811 | 12821811 |
| Base 12 | 9855312 | 9856212 |
| Base 13 | 7079413 | 707a213 |
| Base 14 | 5349914 | 534a614 |
| Base 15 | 3e95615 | 3e96215 |
| Base 16 | 3120f16 | 3121a16 |