1. Numbers
  2. Compare 1997 vs 2549

Compare 1997 vs 2549

Property19972549
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1997125491
Prime factorization19972549
Divisors count22
Divisors1, 19971, 2549
Number of properties109
Chen primes185th225th
Cousin primes (2nd member)64th 
Good primes64th 
Harmonic primes 140th
Left-truncatable primes62nd 
Long primes 148th
Primes302nd373rd
Prime triplets (1st member)50th 
Prime triplets (2nd member)49th 
Pythagorean primes147th182nd
Sexy primes (1st member)129th 
Sexy primes (2nd member) 152nd
Sophie germain primes 74th
Super primes 74th
Twin primes (1st member)61st73rd
Roman numberalsMCMXCVIIMMDXLIX
Base 21111100110121001111101012
Base 322012223101111023
Base 413303142133114
Base 5304425401445
Base 6131256154456
Base 755527103017
Base 83715847658
Base 92658934429
Base 10199710254910
Base 111556111a0811
Base 1211a512158512
Base 13ba813121113
Base 14a2914d0114
Base 158d215b4e15
Base 167cd169f516
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