Compare 66421 vs 66431

Property	66421	66431
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	127¹ × 523¹	66431¹
Prime factorization	127 × 523	66431
Divisors count	4	2
Divisors	1, 127, 523, 66421	1, 66431
Number of properties	1	4
Chen primes		3034th
Isolated primes		4885th
Primes		6624th
Semiprimes	15868th
Sophie germain primes		842nd
Roman numberals
Base 2	10000001101110101₂	10000001101111111₂
Base 3	10101010001₃	10101010102₃
Base 4	100031311₄	100031333₄
Base 5	4111141₅	4111211₅
Base 6	1231301₆	1231315₆
Base 7	364435₇	364451₇
Base 8	201565₈	201577₈
Base 9	111101₉	111112₉
Base 10	66421₁₀	66431₁₀
Base 11	459a3₁₁	45a02₁₁
Base 12	32531₁₂	3253b₁₂
Base 13	24304₁₃	24311₁₃
Base 14	1a2c5₁₄	1a2d1₁₄
Base 15	14a31₁₅	14a3b₁₅
Base 16	10375₁₆	1037f₁₆