Compare 142821 vs 142831
| Property | 142821 | 142831 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 71 × 22671 | 131 × 109871 |
| Prime factorization | 3 × 3 × 7 × 2267 | 13 × 10987 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 7, 9, 21, 63, 2267, 6801, 15869, 20403, 47607, 142821 | 1, 13, 10987, 142831 |
| Number of properties | 0 | 1 |
| Semiprimes | 32810th | |
| Roman numberals | ||
| Base 2 | 1000101101111001012 | 1000101101111011112 |
| Base 3 | 210202202003 | 210202210013 |
| Base 4 | 2023132114 | 2023132334 |
| Base 5 | 140322415 | 140323115 |
| Base 6 | 30211136 | 30211316 |
| Base 7 | 11332507 | 11332637 |
| Base 8 | 4267458 | 4267578 |
| Base 9 | 2368209 | 2368319 |
| Base 10 | 14282110 | 14283110 |
| Base 11 | 9833811 | 9834711 |
| Base 12 | 6a79912 | 6a7a712 |
| Base 13 | 5001313 | 5002013 |
| Base 14 | 3a09714 | 3a0a314 |
| Base 15 | 2c4b615 | 2c4c115 |
| Base 16 | 22de516 | 22def16 |