Compare 667949 vs 667991

Property	667949	667991
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	667949¹	667991¹
Prime factorization	667949	667991
Divisors count	2	2
Divisors	1, 667949	1, 667991
Number of properties	5	4
Additive primes	21144th
Chen primes	21175th	21176th
Cousin primes (2nd member)		5841st
Isolated primes	42468th	42471st
Primes	54165th	54168th
Sophie germain primes	5505th
Roman numberals
Base 2	10100011000100101101₂	10100011000101010111₂
Base 3	1020221020212₃	1020221022102₃
Base 4	2203010231₄	2203011113₄
Base 5	132333244₅	132333431₅
Base 6	22152205₆	22152315₆
Base 7	5451242₇	5451332₇
Base 8	2430455₈	2430527₈
Base 9	1227225₉	1227272₉
Base 10	667949₁₀	667991₁₀
Base 11	416927₁₁	416965₁₁
Base 12	282665₁₂	28269b₁₂
Base 13	1a5049₁₃	1a507c₁₃
Base 14	1355c9₁₄	135619₁₄
Base 15	d2d9e₁₅	d2dcb₁₅
Base 16	a312d₁₆	a3157₁₆