Compare 620401 vs 620409

Property	620401	620409
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	620401¹	3¹ × 206803¹
Prime factorization	620401	3 × 206803
Divisors count	2	4
Divisors	1, 620401	1, 3, 206803, 620409
Number of properties	4	1
Additive primes	19791st
Isolated primes	39682nd
Primes	50643rd
Semiprimes		133031st
Ulam primes	3710th
Roman numberals
Base 2	10010111011101110001₂	10010111011101111001₂
Base 3	1011112000211₃	1011112001010₃
Base 4	2113131301₄	2113131321₄
Base 5	124323101₅	124323114₅
Base 6	21144121₆	21144133₆
Base 7	5162515₇	5162526₇
Base 8	2273561₈	2273571₈
Base 9	1145024₉	1145033₉
Base 10	620401₁₀	620409₁₀
Base 11	394131₁₁	394139₁₁
Base 12	25b041₁₂	25b049₁₂
Base 13	189502₁₃	18950a₁₃
Base 14	122145₁₄	12214d₁₄
Base 15	c3c51₁₅	c3c59₁₅
Base 16	97771₁₆	97779₁₆