Compare 43 vs 51

Property4351
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization43131 × 171
Prime factorization433 × 17
Divisors count24
Divisors1, 431, 3, 17, 51
Number of properties121
Additive primes9th 
Centered heptagonal primes1st 
Cousin primes (1st member)6th 
Left-truncatable primes9th 
Lucky primes6th 
Primes14th 
Prime triplets (2nd member)7th 
Prime triplets (3rd member)6th 
Semiprimes 18th
Sexy primes (2nd member)8th 
Sexy prime triplets (3rd member)5th 
Twin primes (2nd member)6th 
Wagstaff primes3rd 
Roman numberalsXLIIILI
Base 210101121100112
Base 31121312203
Base 422343034
Base 513352015
Base 611161236
Base 76171027
Base 8538638
Base 9479569
Base 1043105110
Base 113a114711
Base 1237124312
Base 1334133c13
Base 1431143914
Base 152d153615
Base 162b163316
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