Compare 644129 vs 644137

Property	644129	644137
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	644129¹	13¹ × 49549¹
Prime factorization	644129	13 × 49549
Divisors count	2	4
Divisors	1, 644129	1, 13, 49549, 644137
Number of properties	5	1
Chen primes	20480th
Primes	52372nd
Semiprimes		138003rd
Sexy primes (2nd member)	11343rd
Sexy prime triplets (3rd member)	2080th
Twin primes (1st member)	5661st
Roman numberals
Base 2	10011101010000100001₂	10011101010000101001₂
Base 3	1012201120122₃	1012201120221₃
Base 4	2131100201₄	2131100221₄
Base 5	131103004₅	131103022₅
Base 6	21450025₆	21450041₆
Base 7	5321633₇	5321644₇
Base 8	2352041₈	2352051₈
Base 9	1181518₉	1181527₉
Base 10	644129₁₀	644137₁₀
Base 11	3aaa42₁₁	3aaa4a₁₁
Base 12	270915₁₂	270921₁₂
Base 13	197255₁₃	197260₁₃
Base 14	12aa53₁₄	12aa5b₁₄
Base 15	cacbe₁₅	cacc7₁₅
Base 16	9d421₁₆	9d429₁₆