Compare 21216 vs 21221

Property	21216	21221
Type	composite number	prime
Unique factors	4	1
Total factors	8	1
Prime factorization	2⁵ × 3¹ × 13¹ × 17¹	21221¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 3 × 13 × 17	21221
Divisors count	48	2
Divisors	1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 1248, 1326, 1632, 1768, 2652, 3536, 5304, 7072, 10608, 21216	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	101001011100000₂	101001011100101₂
Base 3	1002002210₃	1002002222₃
Base 4	11023200₄	11023211₄
Base 5	1134331₅	1134341₅
Base 6	242120₆	242125₆
Base 7	115566₇	115604₇
Base 8	51340₈	51345₈
Base 9	32083₉	32088₉
Base 10	21216₁₀	21221₁₀
Base 11	14a38₁₁	14a42₁₁
Base 12	10340₁₂	10345₁₂
Base 13	9870₁₃	9875₁₃
Base 14	7a36₁₄	7a3b₁₄
Base 15	6446₁₅	644b₁₅
Base 16	52e0₁₆	52e5₁₆