Compare 1972 vs 1973
| Property | 1972 | 1973 | 
|---|---|---|
| Type | composite number | prime | 
| Unique factors | 3 | 1 | 
| Total factors | 4 | 1 | 
| Prime factorization | 22 × 171 × 291 | 19731 | 
| Prime factorization | 2 × 2 × 17 × 29 | 1973 | 
| Divisors count | 12 | 2 | 
| Divisors | 1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972 | 1, 1973 | 
| Number of properties | 0 | 7 | 
| Good primes | 61st | |
| Harmonic primes | 111th | |
| Isolated primes | 179th | |
| Primes | 298th | |
| Pythagorean primes | 145th | |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 60th | |
| Roman numberals | MCMLXXII | MCMLXXIII | 
| Base 2 | 111101101002 | 111101101012 | 
| Base 3 | 22010013 | 22010023 | 
| Base 4 | 1323104 | 1323114 | 
| Base 5 | 303425 | 303435 | 
| Base 6 | 130446 | 130456 | 
| Base 7 | 55157 | 55167 | 
| Base 8 | 36648 | 36658 | 
| Base 9 | 26319 | 26329 | 
| Base 10 | 197210 | 197310 | 
| Base 11 | 153311 | 153411 | 
| Base 12 | 118412 | 118512 | 
| Base 13 | b8913 | b8a13 | 
| Base 14 | a0c14 | a0d14 | 
| Base 15 | 8b715 | 8b815 | 
| Base 16 | 7b416 | 7b516 |