Compare 211217 vs 211228

Property	211217	211228
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	211217¹	2² × 52807¹
Prime factorization	211217	2 × 2 × 52807
Divisors count	2	6
Divisors	1, 211217	1, 2, 4, 52807, 105614, 211228
Number of properties	8	0
Chen primes	7895th
Cousin primes (2nd member)	2243rd
Harmonic primes	7082nd
Long primes	7070th
Primes	18910th
Prime triplets (2nd member)	880th
Pythagorean primes	9441st
Twin primes (1st member)	2264th
Roman numberals
Base 2	110011100100010001₂	110011100100011100₂
Base 3	101201201212₃	101201202021₃
Base 4	303210101₄	303210130₄
Base 5	23224332₅	23224403₅
Base 6	4305505₆	4305524₆
Base 7	1536536₇	1536553₇
Base 8	634421₈	634434₈
Base 9	351655₉	351667₉
Base 10	211217₁₀	211228₁₀
Base 11	134766₁₁	134776₁₁
Base 12	a2295₁₂	a22a4₁₂
Base 13	751a6₁₃	751b4₁₃
Base 14	56d8d₁₄	56d9a₁₄
Base 15	428b2₁₅	428bd₁₅
Base 16	33911₁₆	3391c₁₆