1. Numbers
  2. Compare 1990 vs 1991

Compare 1990 vs 1991

Property19901991
Typecomposite numbersemiprime
Unique factors32
Total factors32
Prime factorization21 × 51 × 1991111 × 1811
Prime factorization2 × 5 × 19911 × 181
Divisors count84
Divisors1, 2, 5, 10, 199, 398, 995, 19901, 11, 181, 1991
Number of properties01
Semiprimes 576th
Roman numberalsMCMXCMCMXCI
Base 2111110001102111110001112
Base 32201201322012023
Base 413301241330134
Base 5304305304315
Base 6131146131156
Base 75542755437
Base 83706837078
Base 92651926529
Base 10199010199110
Base 11154a11155011
Base 12119a12119b12
Base 13ba113ba213
Base 14a2214a2314
Base 158ca158cb15
Base 167c6167c716
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