1. Numbers
  2. Compare 1997 vs 2039

Compare 1997 vs 2039

Property19972039
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1997120391
Prime factorization19972039
Divisors count22
Divisors1, 19971, 2039
Number of properties108
Chen primes185th190th
Cousin primes (2nd member)64th 
Good primes64th 
Happy primes 56th
Harmonic primes 115th
Isolated primes 186th
Left-truncatable primes62nd 
Primes302nd309th
Prime triplets (1st member)50th 
Prime triplets (2nd member)49th 
Pythagorean primes147th 
Safe primes 39th
Sexy primes (1st member)129th 
Solinas primes 55th
Sophie germain primes 62nd
Twin primes (1st member)61st 
Roman numberalsMCMXCVIIMMXXXIX
Base 2111110011012111111101112
Base 32201222322101123
Base 413303141333134
Base 5304425311245
Base 6131256132356
Base 75552756427
Base 83715837678
Base 92658927159
Base 10199710203910
Base 11155611159411
Base 1211a512121b12
Base 13ba813c0b13
Base 14a2914a5914
Base 158d21590e15
Base 167cd167f716
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