Compare 640121 vs 640529

Property	640121	640529
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640529¹
Prime factorization	640121	640529
Divisors count	2	2
Divisors	1, 640121	1, 640529
Number of properties	4	3
Chen primes	20382nd	20393rd
Isolated primes	40823rd
Primes	52086th	52115th
Sexy primes (1st member)	11286th
Twin primes (1st member)		5637th
Roman numberals
Base 2	10011100010001111001₂	10011100011000010001₂
Base 3	1012112002012₃	1012112122022₃
Base 4	2130101321₄	2130120101₄
Base 5	130440441₅	130444104₅
Base 6	21415305₆	21421225₆
Base 7	5304146₇	5305301₇
Base 8	2342171₈	2343021₈
Base 9	1175065₉	1175568₉
Base 10	640121₁₀	640529₁₀
Base 11	3a7a29₁₁	3a826a₁₁
Base 12	26a535₁₂	26a815₁₂
Base 13	195491₁₃	195716₁₃
Base 14	1293cd₁₄	129601₁₄
Base 15	c99eb₁₅	c9bbe₁₅
Base 16	9c479₁₆	9c611₁₆