Compare 8210 vs 8221

Property	8210	8221
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	2¹ × 5¹ × 821¹	8221¹
Prime factorization	2 × 5 × 821	8221
Divisors count	8	2
Divisors	1, 2, 5, 10, 821, 1642, 4105, 8210	1, 8221
Number of properties	0	7
Additive primes		505th
Chen primes		554th
Lucky primes		187th
Primes		1031st
Pythagorean primes		511th
Super primes		173rd
Twin primes (2nd member)		178th
Roman numberals
Base 2	10000000010010₂	10000000011101₂
Base 3	102021002₃	102021111₃
Base 4	2000102₄	2000131₄
Base 5	230320₅	230341₅
Base 6	102002₆	102021₆
Base 7	32636₇	32653₇
Base 8	20022₈	20035₈
Base 9	12232₉	12244₉
Base 10	8210₁₀	8221₁₀
Base 11	6194₁₁	61a4₁₁
Base 12	4902₁₂	4911₁₂
Base 13	3977₁₃	3985₁₃
Base 14	2dc6₁₄	2dd3₁₄
Base 15	2675₁₅	2681₁₅
Base 16	2012₁₆	201d₁₆