Compare 664121 vs 664289

Property	664121	664289
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664121¹	664289¹
Prime factorization	664121	664289
Divisors count	2	2
Divisors	1, 664121	1, 664289
Number of properties	6	4
Chen primes	21072nd	21078th
Cousin primes (2nd member)	5810th
Happy primes	7639th
Isolated primes		42256th
Primes	53878th	53891st
Prime triplets (2nd member)	2119th
Super primes		5490th
Twin primes (1st member)	5817th
Roman numberals
Base 2	10100010001000111001₂	10100010001011100001₂
Base 3	1020202000002₃	1020202020022₃
Base 4	2202020321₄	2202023201₄
Base 5	132222441₅	132224124₅
Base 6	22122345₆	22123225₆
Base 7	5434133₇	5434463₇
Base 8	2421071₈	2421341₈
Base 9	1222002₉	1222208₉
Base 10	664121₁₀	664289₁₀
Base 11	413a67₁₁	4140aa₁₁
Base 12	2803b5₁₂	280515₁₂
Base 13	1a3393₁₃	1a3492₁₃
Base 14	134053₁₄	134133₁₄
Base 15	d1b9b₁₅	d1c5e₁₅
Base 16	a2239₁₆	a22e1₁₆