Compare 42021 vs 42031
| Property | 42021 | 42031 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 32 × 71 × 231 × 291 | 111 × 38211 |
| Prime factorization | 3 × 3 × 7 × 23 × 29 | 11 × 3821 |
| Divisors count | 24 | 4 |
| Divisors | 1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 609, 667, 1449, 1827, 2001, 4669, 6003, 14007, 42021 | 1, 11, 3821, 42031 |
| Number of properties | 0 | 1 |
| Semiprimes | 10255th | |
| Roman numberals | ||
| Base 2 | 10100100001001012 | 10100100001011112 |
| Base 3 | 20101221003 | 20101222013 |
| Base 4 | 221002114 | 221002334 |
| Base 5 | 23210415 | 23211115 |
| Base 6 | 5223136 | 5223316 |
| Base 7 | 2333407 | 2333537 |
| Base 8 | 1220458 | 1220578 |
| Base 9 | 635709 | 635819 |
| Base 10 | 4202110 | 4203110 |
| Base 11 | 2963111 | 2964011 |
| Base 12 | 2039912 | 203a712 |
| Base 13 | 1618513 | 1619213 |
| Base 14 | 1145714 | 1146314 |
| Base 15 | c6b615 | c6c115 |
| Base 16 | a42516 | a42f16 |