Compare 26 vs 53

Unique factors21
Total factors21
Prime factorization21 × 131531
Prime factorization2 × 1353
Divisors count42
Divisors1, 2, 13, 261, 53
Number of properties118
Chen primes 15th
Class 1+ primes 10th
Good primes 7th
Isolated primes 5th
Left-truncatable primes 11th
Pierpont primes of the 2nd kind 10th
Primes 16th
Pythagorean primes 7th
Restricted right-truncatable primes 1st
Right-truncatable primes 9th
Sexy primes (1st member) 11th
Sexy primes (2nd member) 10th
Sexy prime quadrupletss (3rd member) 3rd
Sexy prime triplets (2nd member) 7th
Sexy prime triplets (3rd member) 6th
Sophie germain primes 8th
Two-sided primes 7th
Ulam primes 6th
Roman numberalsXXVILIII
Base 21101021101012
Base 3222312223
Base 412243114
Base 510152035
Base 64261256
Base 73571047
Base 8328658
Base 9289589
Base 1026105310
Base 1124114911
Base 1222124512
Base 1320134113
Base 141c143b14
Base 151b153815
Base 161a163516
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