1. Numbers
  2. Compare 1913 vs 1997

Compare 1913 vs 1997

Property19131997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1913119971
Prime factorization19131997
Divisors count22
Divisors1, 19131, 1997
Number of properties910
Chen primes181st185th
Cousin primes (2nd member) 64th
Emirps93rd 
Good primes 64th
Isolated primes178th 
Left-truncatable primes 62nd
Long primes114th 
Primes293rd302nd
Prime triplets (1st member) 50th
Prime triplets (2nd member) 49th
Pythagorean primes142nd147th
Sexy primes (1st member) 129th
Sexy primes (2nd member)125th 
Sexy prime triplets (3rd member)49th 
Super primes62nd 
Twin primes (1st member) 61st
Roman numberalsMCMXIIIMCMXCVII
Base 2111011110012111110011012
Base 32121212322012223
Base 413132141330314
Base 5301235304425
Base 6125056131256
Base 75402755527
Base 83571837158
Base 92555926589
Base 10191310199710
Base 11148a11155611
Base 1211351211a512
Base 13b4213ba813
Base 149a914a2914
Base 15878158d215
Base 16779167cd16
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