Compare 221399 vs 221407

Property	221399	221407
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	221399¹	19¹ × 43¹ × 271¹
Prime factorization	221399	19 × 43 × 271
Divisors count	2	8
Divisors	1, 221399	1, 19, 43, 271, 817, 5149, 11653, 221407
Number of properties	4	0
Chen primes	8221st
Primes	19726th
Sexy primes (2nd member)	4666th
Twin primes (1st member)	2340th
Roman numberals
Base 2	110110000011010111₂	110110000011011111₂
Base 3	102020200222₃	102020201021₃
Base 4	312003113₄	312003133₄
Base 5	24041044₅	24041112₅
Base 6	4424555₆	4425011₆
Base 7	1611323₇	1611334₇
Base 8	660327₈	660337₈
Base 9	366628₉	366637₉
Base 10	221399₁₀	221407₁₀
Base 11	141382₁₁	14138a₁₁
Base 12	a815b₁₂	a8167₁₂
Base 13	79a09₁₃	79a14₁₃
Base 14	5a983₁₄	5a98b₁₄
Base 15	458ee₁₅	45907₁₅
Base 16	360d7₁₆	360df₁₆