Compare 201920 vs 201921
| Property | 201920 | 201921 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 26 × 51 × 6311 | 31 × 673071 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 631 | 3 × 67307 |
| Divisors count | 28 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 631, 1262, 2524, 3155, 5048, 6310, 10096, 12620, 20192, 25240, 40384, 50480, 100960, 201920 | 1, 3, 67307, 201921 |
| Number of properties | 0 | 1 |
| Semiprimes | 45647th | |
| Roman numberals | ||
| Base 2 | 1100010100110000002 | 1100010100110000012 |
| Base 3 | 1010202221123 | 1010202221203 |
| Base 4 | 3011030004 | 3011030014 |
| Base 5 | 224301405 | 224301415 |
| Base 6 | 41544526 | 41544536 |
| Base 7 | 15004557 | 15004567 |
| Base 8 | 6123008 | 6123018 |
| Base 9 | 3368759 | 3368769 |
| Base 10 | 20192010 | 20192110 |
| Base 11 | 12878411 | 12878511 |
| Base 12 | 98a2812 | 98a2912 |
| Base 13 | 70ba413 | 70ba513 |
| Base 14 | 5382c14 | 5382d14 |
| Base 15 | 3ec6515 | 3ec6615 |
| Base 16 | 314c016 | 314c116 |