Compare 640859 vs 640868

Property	640859	640868
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	640859¹	2² × 160217¹
Prime factorization	640859	2 × 2 × 160217
Divisors count	2	6
Divisors	1, 640859	1, 2, 4, 160217, 320434, 640868
Number of properties	5	0
Chen primes	20402nd
Isolated primes	40863rd
Primes	52138th
Sexy primes (2nd member)	11297th
Sexy prime triplets (3rd member)	2072nd
Roman numberals
Base 2	10011100011101011011₂	10011100011101100100₂
Base 3	1012120002112₃	1012120002212₃
Base 4	2130131123₄	2130131210₄
Base 5	131001414₅	131001433₅
Base 6	21422535₆	21422552₆
Base 7	5306252₇	5306264₇
Base 8	2343533₈	2343544₈
Base 9	1176075₉	1176085₉
Base 10	640859₁₀	640868₁₀
Base 11	3a853a₁₁	3a8548₁₁
Base 12	26aa4b₁₂	26aa58₁₂
Base 13	19590b₁₃	195917₁₃
Base 14	129799₁₄	1297a4₁₄
Base 15	c9d3e₁₅	c9d48₁₅
Base 16	9c75b₁₆	9c764₁₆