Compare 640531 vs 640542

Property	640531	640542
Type	prime	composite number
Unique factors	1	5
Total factors	1	5
Prime factorization	640531¹	2¹ × 3¹ × 7¹ × 101¹ × 151¹
Prime factorization	640531	2 × 3 × 7 × 101 × 151
Divisors count	2	32
Divisors	1, 640531	1, 2, 3, 6, 7, 14, 21, 42, 101, 151, 202, 302, 303, 453, 606, 707, 906, 1057, 1414, 2114, 2121, 3171, 4242, 6342, 15251, 30502, 45753, 91506, 106757, 213514, 320271, 640542
Number of properties	3	0
Additive primes	20367th
Primes	52116th
Twin primes (2nd member)	5637th
Roman numberals
Base 2	10011100011000010011₂	10011100011000011110₂
Base 3	1012112122101₃	1012112122210₃
Base 4	2130120103₄	2130120132₄
Base 5	130444111₅	130444132₅
Base 6	21421231₆	21421250₆
Base 7	5305303₇	5305320₇
Base 8	2343023₈	2343036₈
Base 9	1175571₉	1175583₉
Base 10	640531₁₀	640542₁₀
Base 11	3a8271₁₁	3a8281₁₁
Base 12	26a817₁₂	26a826₁₂
Base 13	195718₁₃	195726₁₃
Base 14	129603₁₄	129610₁₄
Base 15	c9bc1₁₅	c9bcc₁₅
Base 16	9c613₁₆	9c61e₁₆