Compare 18181 vs 18182

Property	18181	18182
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	18181¹	2¹ × 9091¹
Prime factorization	18181	2 × 9091
Divisors count	2	4
Divisors	1, 18181	1, 2, 9091, 18182
Number of properties	9	1
Additive primes	979th
Dihedral primes	8th
Harmonic primes	754th
Isolated primes	1444th
Lucky primes	341st
Palindromic primes	42nd
Primes	2083rd
Pythagorean primes	1029th
Semiprimes		4631st
Super primes	314th
Roman numberals
Base 2	100011100000101₂	100011100000110₂
Base 3	220221101₃	220221102₃
Base 4	10130011₄	10130012₄
Base 5	1040211₅	1040212₅
Base 6	220101₆	220102₆
Base 7	104002₇	104003₇
Base 8	43405₈	43406₈
Base 9	26841₉	26842₉
Base 10	18181₁₀	18182₁₀
Base 11	12729₁₁	1272a₁₁
Base 12	a631₁₂	a632₁₂
Base 13	8377₁₃	8378₁₃
Base 14	68a9₁₄	68aa₁₄
Base 15	55c1₁₅	55c2₁₅
Base 16	4705₁₆	4706₁₆