Compare 4 vs 53

Unique factors11
Total factors21
Prime factorization22531
Prime factorization2 × 253
Divisors count32
Divisors1, 2, 41, 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 numberalsIVLIII
Base 210021101012
Base 311312223
Base 41043114
Base 5452035
Base 6461256
Base 7471047
Base 848658
Base 949589
Base 104105310
Base 114114911
Base 124124512
Base 134134113
Base 144143b14
Base 154153815
Base 164163516
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