Compare 640121 vs 640259

Property	640121	640259
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640259¹
Prime factorization	640121	640259
Divisors count	2	2
Divisors	1, 640121	1, 640259
Number of properties	4	4
Chen primes	20382nd	20389th
Isolated primes	40823rd
Primes	52086th	52099th
Sexy primes (1st member)	11286th
Sophie germain primes		5308th
Twin primes (1st member)		5636th
Roman numberals
Base 2	10011100010001111001₂	10011100010100000011₂
Base 3	1012112002012₃	1012112021022₃
Base 4	2130101321₄	2130110003₄
Base 5	130440441₅	130442014₅
Base 6	21415305₆	21420055₆
Base 7	5304146₇	5304434₇
Base 8	2342171₈	2342403₈
Base 9	1175065₉	1175238₉
Base 10	640121₁₀	640259₁₀
Base 11	3a7a29₁₁	3a8044₁₁
Base 12	26a535₁₂	26a62b₁₂
Base 13	195491₁₃	195569₁₃
Base 14	1293cd₁₄	12948b₁₄
Base 15	c99eb₁₅	c9a8e₁₅
Base 16	9c479₁₆	9c503₁₆