Compare 665972 vs 665981

Property	665972	665981
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 331¹ × 503¹	665981¹
Prime factorization	2 × 2 × 331 × 503	665981
Divisors count	12	2
Divisors	1, 2, 4, 331, 503, 662, 1006, 1324, 2012, 166493, 332986, 665972	1, 665981
Number of properties	0	4
Chen primes		21124th
Primes		54020th
Twin primes (1st member)		5831st
Ulam primes		3967th
Roman numberals
Base 2	10100010100101110100₂	10100010100101111101₂
Base 3	1020211112122₃	1020211112222₃
Base 4	2202211310₄	2202211331₄
Base 5	132302342₅	132302411₅
Base 6	22135112₆	22135125₆
Base 7	5442416₇	5442431₇
Base 8	2424564₈	2424575₈
Base 9	1224478₉	1224488₉
Base 10	665972₁₀	665981₁₀
Base 11	41539a₁₁	4153a8₁₁
Base 12	281498₁₂	2814a5₁₂
Base 13	1a4188₁₃	1a4194₁₃
Base 14	1349b6₁₄	1349c1₁₄
Base 15	d24d2₁₅	d24db₁₅
Base 16	a2974₁₆	a297d₁₆