Compare 621631 vs 621640

Property	621631	621640
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	621631¹	2³ × 5¹ × 15541¹
Prime factorization	621631	2 × 2 × 2 × 5 × 15541
Divisors count	2	16
Divisors	1, 621631	1, 2, 4, 5, 8, 10, 20, 40, 15541, 31082, 62164, 77705, 124328, 155410, 310820, 621640
Number of properties	3	0
Additive primes	19834th
Primes	50734th
Twin primes (2nd member)	5488th
Roman numberals
Base 2	10010111110000111111₂	10010111110001001000₂
Base 3	1011120201101₃	1011120201201₃
Base 4	2113300333₄	2113301020₄
Base 5	124343011₅	124343030₅
Base 6	21153531₆	21153544₆
Base 7	5166223₇	5166235₇
Base 8	2276077₈	2276110₈
Base 9	1146641₉	1146651₉
Base 10	621631₁₀	621640₁₀
Base 11	39504a₁₁	395058₁₁
Base 12	25b8a7₁₂	25b8b4₁₂
Base 13	189c3a₁₃	189c46₁₃
Base 14	122783₁₄	12278c₁₄
Base 15	c42c1₁₅	c42ca₁₅
Base 16	97c3f₁₆	97c48₁₆