Compare 9 vs 47

Unique factors11
Total factors21
Prime factorization32471
Prime factorization3 × 347
Divisors count32
Divisors1, 3, 91, 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 numberalsIXXLVII
Base 2100121011112
Base 3100312023
Base 42142334
Base 51451425
Base 61361156
Base 7127657
Base 8118578
Base 9109529
Base 109104710
Base 119114311
Base 129123b12
Base 139133813
Base 149143514
Base 159153215
Base 169162f16
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