Compare 49 vs 53

Unique factors11
Total factors21
Prime factorization72531
Prime factorization7 × 753
Divisors count32
Divisors1, 7, 491, 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 numberalsXLIXLIII
Base 211000121101012
Base 31211312223
Base 430143114
Base 514452035
Base 612161256
Base 710071047
Base 8618658
Base 9549589
Base 1049105310
Base 1145114911
Base 1241124512
Base 133a134113
Base 1437143b14
Base 1534153815
Base 1631163516
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