Compare 640121 vs 640153

Property	640121	640153
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640153¹
Prime factorization	640121	640153
Divisors count	2	2
Divisors	1, 640121	1, 640153
Number of properties	4	3
Additive primes		20358th
Chen primes	20382nd
Isolated primes	40823rd
Primes	52086th	52090th
Sexy primes (1st member)	11286th
Twin primes (2nd member)		5633rd
Roman numberals
Base 2	10011100010001111001₂	10011100010010011001₂
Base 3	1012112002012₃	1012112010101₃
Base 4	2130101321₄	2130102121₄
Base 5	130440441₅	130441103₅
Base 6	21415305₆	21415401₆
Base 7	5304146₇	5304223₇
Base 8	2342171₈	2342231₈
Base 9	1175065₉	1175111₉
Base 10	640121₁₀	640153₁₀
Base 11	3a7a29₁₁	3a7a58₁₁
Base 12	26a535₁₂	26a561₁₂
Base 13	195491₁₃	1954b7₁₃
Base 14	1293cd₁₄	129413₁₄
Base 15	c99eb₁₅	c9a1d₁₅
Base 16	9c479₁₆	9c499₁₆