1. Numbers
  2. Compare 1991 vs 1993

Compare 1991 vs 1993

Property19911993
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization111 × 181119931
Prime factorization11 × 1811993
Divisors count42
Divisors1, 11, 181, 19911, 1993
Number of properties110
Cousin primes (1st member) 64th
Good primes 63rd
Harmonic primes 112th
Isolated primes 182nd
Primes 301st
Prime triplets (1st member) 49th
Pythagorean primes 146th
Semiprimes576th 
Sexy primes (1st member) 128th
Sexy primes (2nd member) 127th
Sexy prime triplets (2nd member) 50th
Roman numberalsMCMXCIMCMXCIII
Base 2111110001112111110010012
Base 32201202322012113
Base 413301341330214
Base 5304315304335
Base 6131156131216
Base 75543755457
Base 83707837118
Base 92652926549
Base 10199110199310
Base 11155011155211
Base 12119b1211a112
Base 13ba213ba413
Base 14a2314a2514
Base 158cb158cd15
Base 167c7167c916
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