Compare 22 vs 47

Unique factors21
Total factors21
Prime factorization21 × 111471
Prime factorization2 × 1147
Divisors count42
Divisors1, 2, 11, 221, 47
Number of properties121
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 numberalsXXIIXLVII
Base 21011021011112
Base 3211312023
Base 411242334
Base 54251425
Base 63461156
Base 7317657
Base 8268578
Base 9249529
Base 1022104710
Base 1120114311
Base 121a123b12
Base 1319133813
Base 1418143514
Base 1517153215
Base 1616162f16
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