Compare 666139 vs 666187

Property	666139	666187
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666139¹	666187¹
Prime factorization	666139	666187
Divisors count	2	2
Divisors	1, 666139	1, 666187
Number of properties	4	4
Additive primes	21093rd
Cousin primes (1st member)	5825th	5826th
Isolated primes	42372nd	42376th
Lucky primes		6180th
Primes	54035th	54039th
Roman numberals
Base 2	10100010101000011011₂	10100010101001001011₂
Base 3	1020211202211₃	1020211211121₃
Base 4	2202220123₄	2202221023₄
Base 5	132304024₅	132304222₅
Base 6	22135551₆	22140111₆
Base 7	5443045₇	5443144₇
Base 8	2425033₈	2425113₈
Base 9	1224684₉	1224747₉
Base 10	666139₁₀	666187₁₀
Base 11	415531₁₁	415575₁₁
Base 12	2815b7₁₂	281637₁₂
Base 13	1a4286₁₃	1a42c2₁₃
Base 14	134a95₁₄	134acb₁₄
Base 15	d2594₁₅	d25c7₁₅
Base 16	a2a1b₁₆	a2a4b₁₆