Compare 1939 vs 1940
| Property | 1939 | 1940 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 71 × 2771 | 22 × 51 × 971 |
| Prime factorization | 7 × 277 | 2 × 2 × 5 × 97 |
| Divisors count | 4 | 12 |
| Divisors | 1, 7, 277, 1939 | 1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940 |
| Number of properties | 1 | 0 |
| Semiprimes | 558th | |
| Roman numberals | MCMXXXIX | MCMXL |
| Base 2 | 111100100112 | 111100101002 |
| Base 3 | 21222113 | 21222123 |
| Base 4 | 1321034 | 1321104 |
| Base 5 | 302245 | 302305 |
| Base 6 | 125516 | 125526 |
| Base 7 | 54407 | 54417 |
| Base 8 | 36238 | 36248 |
| Base 9 | 25849 | 25859 |
| Base 10 | 193910 | 194010 |
| Base 11 | 150311 | 150411 |
| Base 12 | 115712 | 115812 |
| Base 13 | b6213 | b6313 |
| Base 14 | 9c714 | 9c814 |
| Base 15 | 89415 | 89515 |
| Base 16 | 79316 | 79416 |