Compare 21213 vs 21221

Property	21213	21221
Type	composite number	prime
Unique factors	2	1
Total factors	3	1
Prime factorization	3² × 2357¹	21221¹
Prime factorization	3 × 3 × 2357	21221
Divisors count	6	2
Divisors	1, 3, 9, 2357, 7071, 21213	1, 21221
Number of properties	0	6
Chen primes		1172nd
Isolated primes		1665th
Primes		2386th
Pythagorean primes		1184th
Sexy primes (1st member)		723rd
Sophie germain primes		346th
Roman numberals
Base 2	101001011011101₂	101001011100101₂
Base 3	1002002200₃	1002002222₃
Base 4	11023131₄	11023211₄
Base 5	1134323₅	1134341₅
Base 6	242113₆	242125₆
Base 7	115563₇	115604₇
Base 8	51335₈	51345₈
Base 9	32080₉	32088₉
Base 10	21213₁₀	21221₁₀
Base 11	14a35₁₁	14a42₁₁
Base 12	10339₁₂	10345₁₂
Base 13	986a₁₃	9875₁₃
Base 14	7a33₁₄	7a3b₁₄
Base 15	6443₁₅	644b₁₅
Base 16	52dd₁₆	52e5₁₆