Compare 1542 vs 1543
| Property | 1542 | 1543 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 2571 | 15431 |
| Prime factorization | 2 × 3 × 257 | 1543 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 257, 514, 771, 1542 | 1, 1543 |
| Number of properties | 0 | 7 |
| Additive primes | 132nd | |
| Good primes | 55th | |
| Isolated primes | 144th | |
| Long primes | 92nd | |
| Lucky primes | 58th | |
| Primes | 243rd | |
| Sexy primes (1st member) | 106th | |
| Roman numberals | MDXLII | MDXLIII |
| Base 2 | 110000001102 | 110000001112 |
| Base 3 | 20100103 | 20100113 |
| Base 4 | 1200124 | 1200134 |
| Base 5 | 221325 | 221335 |
| Base 6 | 110506 | 110516 |
| Base 7 | 43327 | 43337 |
| Base 8 | 30068 | 30078 |
| Base 9 | 21039 | 21049 |
| Base 10 | 154210 | 154310 |
| Base 11 | 118211 | 118311 |
| Base 12 | a8612 | a8712 |
| Base 13 | 91813 | 91913 |
| Base 14 | 7c214 | 7c314 |
| Base 15 | 6cc15 | 6cd15 |
| Base 16 | 60616 | 60716 |