Compare 17989 vs 17991

Property	17989	17991
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	17989¹	3² × 1999¹
Prime factorization	17989	3 × 3 × 1999
Divisors count	2	6
Divisors	1, 17989	1, 3, 9, 1999, 5997, 17991
Number of properties	4	0
Harmonic primes	746th
Primes	2064th
Pythagorean primes	1017th
Twin primes (2nd member)	315th
Roman numberals
Base 2	100011001000101₂	100011001000111₂
Base 3	220200021₃	220200100₃
Base 4	10121011₄	10121013₄
Base 5	1033424₅	1033431₅
Base 6	215141₆	215143₆
Base 7	103306₇	103311₇
Base 8	43105₈	43107₈
Base 9	26607₉	26610₉
Base 10	17989₁₀	17991₁₀
Base 11	12574₁₁	12576₁₁
Base 12	a4b1₁₂	a4b3₁₂
Base 13	825a₁₃	825c₁₃
Base 14	67ad₁₄	67b1₁₄
Base 15	54e4₁₅	54e6₁₅
Base 16	4645₁₆	4647₁₆