Compare 664651 vs 664661

Property	664651	664661
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	13¹ × 29¹ × 41¹ × 43¹	664661¹
Prime factorization	13 × 29 × 41 × 43	664661
Divisors count	16	2
Divisors	1, 13, 29, 41, 43, 377, 533, 559, 1189, 1247, 1763, 15457, 16211, 22919, 51127, 664651	1, 664661
Number of properties	0	7
Additive primes		21046th
Chen primes		21090th
Primes		53920th
Prime quadruplets (1st member)		129th
Prime triplets (1st member)		2120th
Sexy primes (1st member)		11637th
Twin primes (1st member)		5821st
Roman numberals
Base 2	10100010010001001011₂	10100010010001010101₂
Base 3	1020202201201₃	1020202202002₃
Base 4	2202101023₄	2202101111₄
Base 5	132232101₅	132232121₅
Base 6	22125031₆	22125045₆
Base 7	5435521₇	5435534₇
Base 8	2422113₈	2422125₈
Base 9	1222651₉	1222662₉
Base 10	664651₁₀	664661₁₀
Base 11	4143a9₁₁	414408₁₁
Base 12	280777₁₂	280785₁₂
Base 13	1a36b0₁₃	1a36ba₁₃
Base 14	134311₁₄	13431b₁₄
Base 15	d1e01₁₅	d1e0b₁₅
Base 16	a244b₁₆	a2455₁₆