Compare 21881 vs 21884

Property	21881	21884
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	21881¹	2² × 5471¹
Prime factorization	21881	2 × 2 × 5471
Divisors count	2	6
Divisors	1, 21881	1, 2, 4, 5471, 10942, 21884
Number of properties	4	0
Chen primes	1204th
Isolated primes	1712th
Primes	2455th
Pythagorean primes	1217th
Roman numberals
Base 2	101010101111001₂	101010101111100₂
Base 3	1010000102₃	1010000112₃
Base 4	11111321₄	11111330₄
Base 5	1200011₅	1200014₅
Base 6	245145₆	245152₆
Base 7	120536₇	120542₇
Base 8	52571₈	52574₈
Base 9	33012₉	33015₉
Base 10	21881₁₀	21884₁₀
Base 11	15492₁₁	15495₁₁
Base 12	107b5₁₂	107b8₁₂
Base 13	9c62₁₃	9c65₁₃
Base 14	7d8d₁₄	7d92₁₄
Base 15	673b₁₅	673e₁₅
Base 16	5579₁₆	557c₁₆