Compare 221281 vs 221284

Property	221281	221284
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	221281¹	2² × 7² × 1129¹
Prime factorization	221281	2 × 2 × 7 × 7 × 1129
Divisors count	2	18
Divisors	1, 221281	1, 2, 4, 7, 14, 28, 49, 98, 196, 1129, 2258, 4516, 7903, 15806, 31612, 55321, 110642, 221284
Number of properties	3	0
Isolated primes	15043rd
Primes	19720th
Pythagorean primes	9838th
Roman numberals
Base 2	110110000001100001₂	110110000001100100₂
Base 3	102020112121₃	102020112201₃
Base 4	312001201₄	312001210₄
Base 5	24040111₅	24040114₅
Base 6	4424241₆	4424244₆
Base 7	1611064₇	1611100₇
Base 8	660141₈	660144₈
Base 9	366477₉	366481₉
Base 10	221281₁₀	221284₁₀
Base 11	141285₁₁	141288₁₁
Base 12	a8081₁₂	a8084₁₂
Base 13	79948₁₃	7994b₁₃
Base 14	5a8db₁₄	5a900₁₄
Base 15	45871₁₅	45874₁₅
Base 16	36061₁₆	36064₁₆