1. Numbers
  2. Compare 21991 vs 23197

Compare 21991 vs 23197

Property2199123197
Typeprimeprime
Unique factors11
Total factors11
Prime factorization219911231971
Prime factorization2199123197
Divisors count22
Divisors1, 219911, 23197
Number of properties57
Chen primes1208th 
Cousin primes (1st member) 390th
Isolated primes1720th1807th
Primes2463rd2588th
Prime triplets (1st member) 194th
Pythagorean primes 1283rd
Sexy primes (1st member)742nd775th
Sexy prime triplets (1st member)202nd207th
Roman numberals  
Base 210101011110011121011010100111012
Base 31010011111310112110113
Base 4111132134112221314
Base 51200431512202425
Base 624545162552216
Base 712105471244267
Base 8527478552358
Base 9331449347349
Base 1021991102319710
Base 1115582111647911
Base 1210887121151112
Base 13a01813a73513
Base 14802b14864d14
Base 1567b1156d1715
Base 1655e7165a9d16
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