Compare 399913 vs 399920

Property	399913	399920
Type	prime	composite number
Unique factors	1	3
Total factors	1	6
Prime factorization	399913¹	2⁴ × 5¹ × 4999¹
Prime factorization	399913	2 × 2 × 2 × 2 × 5 × 4999
Divisors count	2	20
Divisors	1, 399913	1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4999, 9998, 19996, 24995, 39992, 49990, 79984, 99980, 199960, 399920
Number of properties	4	0
Emirps	6699th
Happy primes	4994th
Primes	33854th
Twin primes (2nd member)	3804th
Roman numberals
Base 2	1100001101000101001₂	1100001101000110000₂
Base 3	202022120121₃	202022120212₃
Base 4	1201220221₄	1201220300₄
Base 5	100244123₅	100244140₅
Base 6	12323241₆	12323252₆
Base 7	3253633₇	3253643₇
Base 8	1415051₈	1415060₈
Base 9	668517₉	668525₉
Base 10	399913₁₀	399920₁₀
Base 11	253508₁₁	253514₁₁
Base 12	173521₁₂	173528₁₂
Base 13	110047₁₃	110051₁₃
Base 14	a5a53₁₄	a5a5a₁₄
Base 15	7d75d₁₅	7d765₁₅
Base 16	61a29₁₆	61a30₁₆