Compare 221849 vs 221861

Property	221849	221861
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	221849¹	149¹ × 1489¹
Prime factorization	221849	149 × 1489
Divisors count	2	4
Divisors	1, 221849	1, 149, 1489, 221861
Number of properties	5	1
Harmonic primes	7420th
Isolated primes	15077th
Primes	19766th
Pythagorean primes	9863rd
Semiprimes		49920th
Ulam primes	1414th
Roman numberals
Base 2	110110001010011001₂	110110001010100101₂
Base 3	102021022122₃	102021100002₃
Base 4	312022121₄	312022211₄
Base 5	24044344₅	24044421₅
Base 6	4431025₆	4431045₆
Base 7	1612535₇	1612553₇
Base 8	661231₈	661245₈
Base 9	367278₉	367302₉
Base 10	221849₁₀	221861₁₀
Base 11	141751₁₁	141762₁₁
Base 12	a8475₁₂	a8485₁₂
Base 13	79c94₁₃	79ca3₁₃
Base 14	5abc5₁₄	5abd3₁₄
Base 15	45aee₁₅	45b0b₁₅
Base 16	36299₁₆	362a5₁₆