Compare 640259 vs 640266

Property	640259	640266
Type	prime	composite number
Unique factors	1	5
Total factors	1	5
Prime factorization	640259¹	2¹ × 3¹ × 11¹ × 89¹ × 109¹
Prime factorization	640259	2 × 3 × 11 × 89 × 109
Divisors count	2	32
Divisors	1, 640259	1, 2, 3, 6, 11, 22, 33, 66, 89, 109, 178, 218, 267, 327, 534, 654, 979, 1199, 1958, 2398, 2937, 3597, 5874, 7194, 9701, 19402, 29103, 58206, 106711, 213422, 320133, 640266
Number of properties	4	0
Chen primes	20389th
Primes	52099th
Sophie germain primes	5308th
Twin primes (1st member)	5636th
Roman numberals
Base 2	10011100010100000011₂	10011100010100001010₂
Base 3	1012112021022₃	1012112021120₃
Base 4	2130110003₄	2130110022₄
Base 5	130442014₅	130442031₅
Base 6	21420055₆	21420110₆
Base 7	5304434₇	5304444₇
Base 8	2342403₈	2342412₈
Base 9	1175238₉	1175246₉
Base 10	640259₁₀	640266₁₀
Base 11	3a8044₁₁	3a8050₁₁
Base 12	26a62b₁₂	26a636₁₂
Base 13	195569₁₃	195573₁₃
Base 14	12948b₁₄	129494₁₄
Base 15	c9a8e₁₅	c9a96₁₅
Base 16	9c503₁₆	9c50a₁₆