Compare 644128 vs 644129

Property	644128	644129
Type	composite number	prime
Unique factors	2	1
Total factors	6	1
Prime factorization	2⁵ × 20129¹	644129¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 20129	644129
Divisors count	12	2
Divisors	1, 2, 4, 8, 16, 32, 20129, 40258, 80516, 161032, 322064, 644128	1, 644129
Number of properties	0	5
Chen primes		20480th
Primes		52372nd
Sexy primes (2nd member)		11343rd
Sexy prime triplets (3rd member)		2080th
Twin primes (1st member)		5661st
Roman numberals
Base 2	10011101010000100000₂	10011101010000100001₂
Base 3	1012201120121₃	1012201120122₃
Base 4	2131100200₄	2131100201₄
Base 5	131103003₅	131103004₅
Base 6	21450024₆	21450025₆
Base 7	5321632₇	5321633₇
Base 8	2352040₈	2352041₈
Base 9	1181517₉	1181518₉
Base 10	644128₁₀	644129₁₀
Base 11	3aaa41₁₁	3aaa42₁₁
Base 12	270914₁₂	270915₁₂
Base 13	197254₁₃	197255₁₃
Base 14	12aa52₁₄	12aa53₁₄
Base 15	cacbd₁₅	cacbe₁₅
Base 16	9d420₁₆	9d421₁₆