Compare 20389 vs 20390

Property	20389	20390
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	20389¹	2¹ × 5¹ × 2039¹
Prime factorization	20389	2 × 5 × 2039
Divisors count	2	8
Divisors	1, 20389	1, 2, 5, 10, 2039, 4078, 10195, 20390
Number of properties	5	0
Cousin primes (1st member)	351st
Isolated primes	1612th
Primes	2303rd
Pythagorean primes	1148th
Ulam primes	168th
Roman numberals
Base 2	100111110100101₂	100111110100110₂
Base 3	1000222011₃	1000222012₃
Base 4	10332211₄	10332212₄
Base 5	1123024₅	1123030₅
Base 6	234221₆	234222₆
Base 7	113305₇	113306₇
Base 8	47645₈	47646₈
Base 9	30864₉	30865₉
Base 10	20389₁₀	20390₁₀
Base 11	14356₁₁	14357₁₁
Base 12	b971₁₂	b972₁₂
Base 13	9385₁₃	9386₁₃
Base 14	7605₁₄	7606₁₄
Base 15	6094₁₅	6095₁₅
Base 16	4fa5₁₆	4fa6₁₆