Compare 640259 vs 640263

Property	640259	640263
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	640259¹	3¹ × 13¹ × 16417¹
Prime factorization	640259	3 × 13 × 16417
Divisors count	2	8
Divisors	1, 640259	1, 3, 13, 39, 16417, 49251, 213421, 640263
Number of properties	4	0
Chen primes	20389th
Primes	52099th
Sophie germain primes	5308th
Twin primes (1st member)	5636th
Roman numberals
Base 2	10011100010100000011₂	10011100010100000111₂
Base 3	1012112021022₃	1012112021110₃
Base 4	2130110003₄	2130110013₄
Base 5	130442014₅	130442023₅
Base 6	21420055₆	21420103₆
Base 7	5304434₇	5304441₇
Base 8	2342403₈	2342407₈
Base 9	1175238₉	1175243₉
Base 10	640259₁₀	640263₁₀
Base 11	3a8044₁₁	3a8048₁₁
Base 12	26a62b₁₂	26a633₁₂
Base 13	195569₁₃	195570₁₃
Base 14	12948b₁₄	129491₁₄
Base 15	c9a8e₁₅	c9a93₁₅
Base 16	9c503₁₆	9c507₁₆