Compare 640531 vs 640539

Property	640531	640539
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	640531¹	3² × 71171¹
Prime factorization	640531	3 × 3 × 71171
Divisors count	2	6
Divisors	1, 640531	1, 3, 9, 71171, 213513, 640539
Number of properties	3	0
Additive primes	20367th
Primes	52116th
Twin primes (2nd member)	5637th
Roman numberals
Base 2	10011100011000010011₂	10011100011000011011₂
Base 3	1012112122101₃	1012112122200₃
Base 4	2130120103₄	2130120123₄
Base 5	130444111₅	130444124₅
Base 6	21421231₆	21421243₆
Base 7	5305303₇	5305314₇
Base 8	2343023₈	2343033₈
Base 9	1175571₉	1175580₉
Base 10	640531₁₀	640539₁₀
Base 11	3a8271₁₁	3a8279₁₁
Base 12	26a817₁₂	26a823₁₂
Base 13	195718₁₃	195723₁₃
Base 14	129603₁₄	12960b₁₄
Base 15	c9bc1₁₅	c9bc9₁₅
Base 16	9c613₁₆	9c61b₁₆