Compare 4 vs 47

Unique factors11
Total factors21
Prime factorization22471
Prime factorization2 × 247
Divisors count32
Divisors1, 2, 41, 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 numberalsIVXLVII
Base 210021011112
Base 311312023
Base 41042334
Base 5451425
Base 6461156
Base 747657
Base 848578
Base 949529
Base 104104710
Base 114114311
Base 124123b12
Base 134133813
Base 144143514
Base 154153215
Base 164162f16
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