Compare 640259 vs 641213

Property	640259	641213
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640259¹	641213¹
Prime factorization	640259	641213
Divisors count	2	2
Divisors	1, 640259	1, 641213
Number of properties	4	4
Additive primes		20388th
Chen primes	20389th
Isolated primes		40888th
Primes	52099th	52165th
Sophie germain primes	5308th	5316th
Twin primes (1st member)	5636th
Roman numberals
Base 2	10011100010100000011₂	10011100100010111101₂
Base 3	1012112021022₃	1012120120122₃
Base 4	2130110003₄	2130202331₄
Base 5	130442014₅	131004323₅
Base 6	21420055₆	21424325₆
Base 7	5304434₇	5310266₇
Base 8	2342403₈	2344275₈
Base 9	1175238₉	1176518₉
Base 10	640259₁₀	641213₁₀
Base 11	3a8044₁₁	3a8831₁₁
Base 12	26a62b₁₂	26b0a5₁₂
Base 13	195569₁₃	195b21₁₃
Base 14	12948b₁₄	12996d₁₄
Base 15	c9a8e₁₅	c9ec8₁₅
Base 16	9c503₁₆	9c8bd₁₆