Compare 644129 vs 644140

Property	644129	644140
Type	prime	composite number
Unique factors	1	5
Total factors	1	6
Prime factorization	644129¹	2² × 5¹ × 7¹ × 43¹ × 107¹
Prime factorization	644129	2 × 2 × 5 × 7 × 43 × 107
Divisors count	2	48
Divisors	1, 644129	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 107, 140, 172, 214, 215, 301, 428, 430, 535, 602, 749, 860, 1070, 1204, 1498, 1505, 2140, 2996, 3010, 3745, 4601, 6020, 7490, 9202, 14980, 18404, 23005, 32207, 46010, 64414, 92020, 128828, 161035, 322070, 644140
Number of properties	5	0
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	10011101010000100001₂	10011101010000101100₂
Base 3	1012201120122₃	1012201121001₃
Base 4	2131100201₄	2131100230₄
Base 5	131103004₅	131103030₅
Base 6	21450025₆	21450044₆
Base 7	5321633₇	5321650₇
Base 8	2352041₈	2352054₈
Base 9	1181518₉	1181531₉
Base 10	644129₁₀	644140₁₀
Base 11	3aaa42₁₁	3aaa52₁₁
Base 12	270915₁₂	270924₁₂
Base 13	197255₁₃	197263₁₃
Base 14	12aa53₁₄	12aa60₁₄
Base 15	cacbe₁₅	cacca₁₅
Base 16	9d421₁₆	9d42c₁₆