Compare 400009 vs 400021

Property	400009	400021
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	400009¹	307¹ × 1303¹
Prime factorization	400009	307 × 1303
Divisors count	2	4
Divisors	1, 400009	1, 307, 1303, 400021
Number of properties	5	1
Additive primes	13374th
Chen primes	13664th
Happy primes	4997th
Isolated primes	26254th
Primes	33861st
Semiprimes		87561st
Roman numberals
Base 2	1100001101010001001₂	1100001101010010101₂
Base 3	202022201011₃	202022201121₃
Base 4	1201222021₄	1201222111₄
Base 5	100300014₅	100300041₅
Base 6	12323521₆	12323541₆
Base 7	3254131₇	3254146₇
Base 8	1415211₈	1415225₈
Base 9	668634₉	668647₉
Base 10	400009₁₀	400021₁₀
Base 11	253595₁₁	2535a6₁₁
Base 12	1735a1₁₂	1735b1₁₂
Base 13	1100bc₁₃	1100cb₁₃
Base 14	a5ac1₁₄	a5acd₁₄
Base 15	7d7c4₁₅	7d7d1₁₅
Base 16	61a89₁₆	61a95₁₆