Compare 127 vs 397

Unique factors11
Total factors11
Prime factorization12713971
Prime factorization127397
Divisors count22
Divisors1, 1271, 397
Number of properties138
Additive primes 45th
Chen primes25th 
Class 1+ primes13th 
Cousin primes (1st member)12th22nd
Cuban primes 15th8th
Double mersenne primes2nd 
Good primes13th 
Happy primes 21st
Isolated primes12th37th
Left-truncatable primes 31st
Lucky primes10th 
Mersenne primes4th 
Pierpont primes of the 2nd kind13th 
Pythagorean primes 37th
Solinas primes22nd 
Super primes11th 
Base 2111111121100011012
Base 31120131122013
Base 413334120314
Base 51002530425
Base 6331615016
Base 7241711057
Base 817786158
Base 915194819
Base 101271039710
Base 111061133111
Base 12a71229112
Base 139a1324713
Base 14911420514
Base 1587151b715
Base 167f1618d16
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