Compare 666091 vs 666139

Property	666091	666139
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666091¹	666139¹
Prime factorization	666091	666139
Divisors count	2	2
Divisors	1, 666091	1, 666139
Number of properties	3	4
Additive primes		21093rd
Cousin primes (1st member)		5825th
Happy primes	7657th
Isolated primes		42372nd
Primes	54032nd	54035th
Twin primes (2nd member)	5832nd
Roman numberals
Base 2	10100010100111101011₂	10100010101000011011₂
Base 3	1020211201001₃	1020211202211₃
Base 4	2202213223₄	2202220123₄
Base 5	132303331₅	132304024₅
Base 6	22135431₆	22135551₆
Base 7	5442646₇	5443045₇
Base 8	2424753₈	2425033₈
Base 9	1224631₉	1224684₉
Base 10	666091₁₀	666139₁₀
Base 11	415498₁₁	415531₁₁
Base 12	281577₁₂	2815b7₁₂
Base 13	1a424a₁₃	1a4286₁₃
Base 14	134a5d₁₄	134a95₁₄
Base 15	d2561₁₅	d2594₁₅
Base 16	a29eb₁₆	a2a1b₁₆