Compare 43 vs 49

Unique factors11
Total factors12
Prime factorization43172
Prime factorization437 × 7
Divisors count23
Divisors1, 431, 7, 49
Number of properties121
Additive primes9th 
Centered heptagonal primes1st 
Cousin primes (1st member)6th 
Left-truncatable primes9th 
Lucky primes6th 
Prime triplets (2nd member)7th 
Prime triplets (3rd member)6th 
Semiprimes 17th
Sexy primes (2nd member)8th 
Sexy prime triplets (3rd member)5th 
Twin primes (2nd member)6th 
Wagstaff primes3rd 
Roman numberalsXLIIIXLIX
Base 210101121100012
Base 31121312113
Base 422343014
Base 513351445
Base 611161216
Base 76171007
Base 8538618
Base 9479549
Base 1043104910
Base 113a114511
Base 1237124112
Base 1334133a13
Base 1431143714
Base 152d153415
Base 162b163116
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