Compare 640631 vs 640638

Property	640631	640638
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	640631¹	2¹ × 3² × 35591¹
Prime factorization	640631	2 × 3 × 3 × 35591
Divisors count	2	12
Divisors	1, 640631	1, 2, 3, 6, 9, 18, 35591, 71182, 106773, 213546, 320319, 640638
Number of properties	3	0
Isolated primes	40849th
Primes	52122nd
Sophie germain primes	5310th
Roman numberals
Base 2	10011100011001110111₂	10011100011001111110₂
Base 3	1012112210002₃	1012112210100₃
Base 4	2130121313₄	2130121332₄
Base 5	131000011₅	131000023₅
Base 6	21421515₆	21421530₆
Base 7	5305505₇	5305515₇
Base 8	2343167₈	2343176₈
Base 9	1175702₉	1175710₉
Base 10	640631₁₀	640638₁₀
Base 11	3a8352₁₁	3a8359₁₁
Base 12	26a89b₁₂	26a8a6₁₂
Base 13	195794₁₃	19579b₁₃
Base 14	129675₁₄	12967c₁₄
Base 15	c9c3b₁₅	c9c43₁₅
Base 16	9c677₁₆	9c67e₁₆