Compare 221909 vs 221989

Property	221909	221989
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	221909¹	221989¹
Prime factorization	221909	221989
Divisors count	2	2
Divisors	1, 221909	1, 221989
Number of properties	5	5
Additive primes	8003rd	8006th
Isolated primes	15080th
Long primes	7396th	7399th
Primes	19769th	19775th
Pythagorean primes	9865th	9869th
Twin primes (2nd member)		2347th
Roman numberals
Base 2	110110001011010101₂	110110001100100101₂
Base 3	102021101212₃	102021111211₃
Base 4	312023111₄	312030211₄
Base 5	24100114₅	24100424₅
Base 6	4431205₆	4431421₆
Base 7	1612652₇	1613125₇
Base 8	661325₈	661445₈
Base 9	367355₉	367454₉
Base 10	221909₁₀	221989₁₀
Base 11	1417a6₁₁	141869₁₁
Base 12	a8505₁₂	a8571₁₂
Base 13	7a00c₁₃	7a071₁₃
Base 14	5ac29₁₄	5ac85₁₄
Base 15	45b3e₁₅	45b94₁₅
Base 16	362d5₁₆	36325₁₆