Compare 209987 vs 209989

Property	209987	209989
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	209987¹	13¹ × 29¹ × 557¹
Prime factorization	209987	13 × 29 × 557
Divisors count	2	8
Divisors	1, 209987	1, 13, 29, 377, 557, 7241, 16153, 209989
Number of properties	4	0
Cousin primes (2nd member)	2225th
Harmonic primes	7041st
Isolated primes	14302nd
Primes	18807th
Roman numberals
Base 2	110011010001000011₂	110011010001000101₂
Base 3	101200001022₃	101200001101₃
Base 4	303101003₄	303101011₄
Base 5	23204422₅	23204424₅
Base 6	4300055₆	4300101₆
Base 7	1533131₇	1533133₇
Base 8	632103₈	632105₈
Base 9	350038₉	350041₉
Base 10	209987₁₀	209989₁₀
Base 11	133848₁₁	13384a₁₁
Base 12	a162b₁₂	a1631₁₂
Base 13	7476b₁₃	74770₁₃
Base 14	56751₁₄	56753₁₄
Base 15	42342₁₅	42344₁₅
Base 16	33443₁₆	33445₁₆