Compare 20 vs 37

Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization22 × 51371
Prime factorization2 × 2 × 537
Divisors count62
Divisors1, 2, 4, 5, 10, 201, 37
Number of properties018
Chen primes 12th
Cousin primes (1st member) 5th
Cuban primes 1 3rd
Emirps 4th
Good primes 5th
Isolated primes 3rd
Left-truncatable primes 8th
Lucky primes 5th
Pierpont primes 8th
Primes 12th
Prime triplets (1st member) 6th
Pythagorean primes 5th
Right-truncatable primes 8th
Sexy primes (1st member) 8th
Sexy primes (2nd member) 7th
Sexy prime triplets (2nd member) 5th
Solinas primes 11th
Two-sided primes 6th
Roman numberalsXXXXXVII
Base 21010021001012
Base 3202311013
Base 411042114
Base 54051225
Base 63261016
Base 7267527
Base 8248458
Base 9229419
Base 1020103710
Base 1119113411
Base 1218123112
Base 1317132b13
Base 1416142914
Base 1515152715
Base 1614162516
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