Compare 21127 vs 21128
| Property | 21127 | 21128 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 3 | 
| Total factors | 2 | 5 | 
| Prime factorization | 371 × 5711 | 23 × 191 × 1391 | 
| Prime factorization | 37 × 571 | 2 × 2 × 2 × 19 × 139 | 
| Divisors count | 4 | 16 | 
| Divisors | 1, 37, 571, 21127 | 1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 1112, 2641, 5282, 10564, 21128 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 5356th | |
| Roman numberals | ||
| Base 2 | 1010010100001112 | 1010010100010002 | 
| Base 3 | 10012221113 | 10012221123 | 
| Base 4 | 110220134 | 110220204 | 
| Base 5 | 11340025 | 11340035 | 
| Base 6 | 2414516 | 2414526 | 
| Base 7 | 1154117 | 1154127 | 
| Base 8 | 512078 | 512108 | 
| Base 9 | 318749 | 318759 | 
| Base 10 | 2112710 | 2112810 | 
| Base 11 | 1496711 | 1496811 | 
| Base 12 | 1028712 | 1028812 | 
| Base 13 | 980213 | 980313 | 
| Base 14 | 79b114 | 79b214 | 
| Base 15 | 63d715 | 63d815 | 
| Base 16 | 528716 | 528816 |