Compare 664691 vs 664949

Property	664691	664949
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664691¹	664949¹
Prime factorization	664691	664949
Divisors count	2	2
Divisors	1, 664691	1, 664949
Number of properties	5	4
Chen primes	21093rd	21097th
Cousin primes (2nd member)	5814th
Isolated primes		42295th
Primes	53926th	53942nd
Prime triplets (2nd member)	2122nd
Sophie germain primes		5487th
Twin primes (1st member)	5823rd
Roman numberals
Base 2	10100010010001110011₂	10100010010101110101₂
Base 3	1020202210012₃	1020210010202₃
Base 4	2202101303₄	2202111311₄
Base 5	132232231₅	132234244₅
Base 6	22125135₆	22130245₆
Base 7	5435606₇	5436425₇
Base 8	2422163₈	2422565₈
Base 9	1222705₉	1223122₉
Base 10	664691₁₀	664949₁₀
Base 11	414435₁₁	41464a₁₁
Base 12	2807ab₁₂	280985₁₂
Base 13	1a3711₁₃	1a387c₁₃
Base 14	13433d₁₄	134485₁₄
Base 15	d1e2b₁₅	d204e₁₅
Base 16	a2473₁₆	a2575₁₆