Compare 664381 vs 664691

Property	664381	664691
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664381¹	664691¹
Prime factorization	664381	664691
Divisors count	2	2
Divisors	1, 664381	1, 664691
Number of properties	4	5
Chen primes	21083rd	21093rd
Cousin primes (2nd member)		5814th
Primes	53897th	53926th
Prime triplets (2nd member)		2122nd
Super primes	5491st
Twin primes (1st member)		5823rd
Twin primes (2nd member)	5819th
Roman numberals
Base 2	10100010001100111101₂	10100010010001110011₂
Base 3	1020202100201₃	1020202210012₃
Base 4	2202030331₄	2202101303₄
Base 5	132230011₅	132232231₅
Base 6	22123501₆	22125135₆
Base 7	5434654₇	5435606₇
Base 8	2421475₈	2422163₈
Base 9	1222321₉	1222705₉
Base 10	664381₁₀	664691₁₀
Base 11	414183₁₁	414435₁₁
Base 12	280591₁₂	2807ab₁₂
Base 13	1a3533₁₃	1a3711₁₃
Base 14	13419b₁₄	13433d₁₄
Base 15	d1cc1₁₅	d1e2b₁₅
Base 16	a233d₁₆	a2473₁₆