Compare 18661 vs 18663

Property	18661	18663
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	18661¹	3¹ × 6221¹
Prime factorization	18661	3 × 6221
Divisors count	2	4
Divisors	1, 18661	1, 3, 6221, 18663
Number of properties	7	1
Chen primes	1054th
Isolated primes	1482nd
Long primes	816th
Lucky primes	348th
Primes	2131st
Pythagorean primes	1057th
Semiprimes		4749th
Super primes	321st
Roman numberals
Base 2	100100011100101₂	100100011100111₂
Base 3	221121011₃	221121020₃
Base 4	10203211₄	10203213₄
Base 5	1044121₅	1044123₅
Base 6	222221₆	222223₆
Base 7	105256₇	105261₇
Base 8	44345₈	44347₈
Base 9	27534₉	27536₉
Base 10	18661₁₀	18663₁₀
Base 11	13025₁₁	13027₁₁
Base 12	a971₁₂	a973₁₂
Base 13	8656₁₃	8658₁₃
Base 14	6b2d₁₄	6b31₁₄
Base 15	57e1₁₅	57e3₁₅
Base 16	48e5₁₆	48e7₁₆