Compare 45 vs 47

Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization32 × 51471
Prime factorization3 × 3 × 547
Divisors count62
Divisors1, 3, 5, 9, 15, 451, 47
Number of properties021
Additive primes 10th
Carol primes 2nd
Chen primes 14th
Class 1+ primes 9th
Cousin primes (2nd member) 6th
Isolated primes 4th
Left-truncatable primes 10th
Long primes 6th
Lucas primes 6th
Pierpont primes of the 2nd kind 9th
Primes 15th
Prime triplets (3rd member) 7th
Safe primes 5th
Sexy primes (1st member) 10th
Sexy primes (2nd member) 9th
Sexy prime quadrupletss (2nd member) 3rd
Sexy prime triplets (1st member) 7th
Sexy prime triplets (2nd member) 6th
Solinas primes 13th
Thabit primes 5th
Ulam primes 5th
Roman numberalsXLVXLVII
Base 210110121011112
Base 31200312023
Base 423142334
Base 514051425
Base 611361156
Base 7637657
Base 8558578
Base 9509529
Base 1045104710
Base 1141114311
Base 1239123b12
Base 1336133813
Base 1433143514
Base 1530153215
Base 162d162f16
This website uses cookies to ensure you get the best experience on our website. More info