Compare 21221 vs 21223

Property	21221	21223
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	21221¹	19¹ × 1117¹
Prime factorization	21221	19 × 1117
Divisors count	2	4
Divisors	1, 21221	1, 19, 1117, 21223
Number of properties	6	1
Chen primes	1172nd
Isolated primes	1665th
Primes	2386th
Pythagorean primes	1184th
Semiprimes		5377th
Sexy primes (1st member)	723rd
Sophie germain primes	346th
Roman numberals
Base 2	101001011100101₂	101001011100111₂
Base 3	1002002222₃	1002010001₃
Base 4	11023211₄	11023213₄
Base 5	1134341₅	1134343₅
Base 6	242125₆	242131₆
Base 7	115604₇	115606₇
Base 8	51345₈	51347₈
Base 9	32088₉	32101₉
Base 10	21221₁₀	21223₁₀
Base 11	14a42₁₁	14a44₁₁
Base 12	10345₁₂	10347₁₂
Base 13	9875₁₃	9877₁₃
Base 14	7a3b₁₄	7a3d₁₄
Base 15	644b₁₅	644d₁₅
Base 16	52e5₁₆	52e7₁₆