Compare 30381 vs 30391

Property	30381	30391
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 13¹ × 19¹ × 41¹	30391¹
Prime factorization	3 × 13 × 19 × 41	30391
Divisors count	16	2
Divisors	1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 741, 779, 1599, 2337, 10127, 30381	1, 30391
Number of properties	0	4
Happy primes		540th
Harmonic primes		1224th
Primes		3284th
Twin primes (2nd member)		472nd
Roman numberals
Base 2	111011010101101₂	111011010110111₂
Base 3	1112200020₃	1112200121₃
Base 4	13122231₄	13122313₄
Base 5	1433011₅	1433031₅
Base 6	352353₆	352411₆
Base 7	154401₇	154414₇
Base 8	73255₈	73267₈
Base 9	45606₉	45617₉
Base 10	30381₁₀	30391₁₀
Base 11	2090a₁₁	20919₁₁
Base 12	156b9₁₂	15707₁₂
Base 13	10aa0₁₃	10aaa₁₃
Base 14	b101₁₄	b10b₁₄
Base 15	9006₁₅	9011₁₅
Base 16	76ad₁₆	76b7₁₆