Compare 1543 vs 1973
| Property | 1543 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15431 | 19731 |
| Prime factorization | 1543 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1543 | 1, 1973 |
| Number of properties | 7 | 7 |
| Additive primes | 132nd | |
| Good primes | 55th | 61st |
| Harmonic primes | 111th | |
| Isolated primes | 144th | 179th |
| Long primes | 92nd | |
| Lucky primes | 58th | |
| Primes | 243rd | 298th |
| Pythagorean primes | 145th | |
| Sexy primes (1st member) | 106th | 126th |
| Sophie germain primes | 60th | |
| Roman numberals | MDXLIII | MCMLXXIII |
| Base 2 | 110000001112 | 111101101012 |
| Base 3 | 20100113 | 22010023 |
| Base 4 | 1200134 | 1323114 |
| Base 5 | 221335 | 303435 |
| Base 6 | 110516 | 130456 |
| Base 7 | 43337 | 55167 |
| Base 8 | 30078 | 36658 |
| Base 9 | 21049 | 26329 |
| Base 10 | 154310 | 197310 |
| Base 11 | 118311 | 153411 |
| Base 12 | a8712 | 118512 |
| Base 13 | 91913 | b8a13 |
| Base 14 | 7c314 | a0d14 |
| Base 15 | 6cd15 | 8b815 |
| Base 16 | 60716 | 7b516 |