Compare 640259 vs 640269

Property	640259	640269
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	640259¹	3² × 7¹ × 10163¹
Prime factorization	640259	3 × 3 × 7 × 10163
Divisors count	2	12
Divisors	1, 640259	1, 3, 7, 9, 21, 63, 10163, 30489, 71141, 91467, 213423, 640269
Number of properties	4	0
Chen primes	20389th
Primes	52099th
Sophie germain primes	5308th
Twin primes (1st member)	5636th
Roman numberals
Base 2	10011100010100000011₂	10011100010100001101₂
Base 3	1012112021022₃	1012112021200₃
Base 4	2130110003₄	2130110031₄
Base 5	130442014₅	130442034₅
Base 6	21420055₆	21420113₆
Base 7	5304434₇	5304450₇
Base 8	2342403₈	2342415₈
Base 9	1175238₉	1175250₉
Base 10	640259₁₀	640269₁₀
Base 11	3a8044₁₁	3a8053₁₁
Base 12	26a62b₁₂	26a639₁₂
Base 13	195569₁₃	195576₁₃
Base 14	12948b₁₄	129497₁₄
Base 15	c9a8e₁₅	c9a99₁₅
Base 16	9c503₁₆	9c50d₁₆