Compare 1403 vs 1415
| Property | 1403 | 1415 | 
|---|---|---|
| Type | semiprime | semiprime | 
| Unique factors | 2 | 2 | 
| Total factors | 2 | 2 | 
| Prime factorization | 231 × 611 | 51 × 2831 | 
| Prime factorization | 23 × 61 | 5 × 283 | 
| Divisors count | 4 | 4 | 
| Divisors | 1, 23, 61, 1403 | 1, 5, 283, 1415 | 
| Number of properties | 1 | 1 | 
| Semiprimes | 417th | 420th | 
| Roman numberals | MCDIII | MCDXV | 
| Base 2 | 101011110112 | 101100001112 | 
| Base 3 | 12202223 | 12211023 | 
| Base 4 | 1113234 | 1120134 | 
| Base 5 | 211035 | 211305 | 
| Base 6 | 102556 | 103156 | 
| Base 7 | 40437 | 40617 | 
| Base 8 | 25738 | 26078 | 
| Base 9 | 18289 | 18429 | 
| Base 10 | 140310 | 141510 | 
| Base 11 | 106611 | 107711 | 
| Base 12 | 98b12 | 99b12 | 
| Base 13 | 83c13 | 84b13 | 
| Base 14 | 72314 | 73114 | 
| Base 15 | 63815 | 64515 | 
| Base 16 | 57b16 | 58716 |