Compare 405987 vs 405989

Property	405987	405989
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	3¹ × 135329¹	405989¹
Prime factorization	3 × 135329	405989
Divisors count	4	2
Divisors	1, 3, 135329, 405987	1, 405989
Number of properties	1	4
Chen primes		13833rd
Primes		34303rd
Semiprimes	88833rd
Super primes		3666th
Twin primes (1st member)		3858th
Roman numberals
Base 2	1100011000111100011₂	1100011000111100101₂
Base 3	202121220120₃	202121220122₃
Base 4	1203013203₄	1203013211₄
Base 5	100442422₅	100442424₅
Base 6	12411323₆	12411325₆
Base 7	3310431₇	3310433₇
Base 8	1430743₈	1430745₈
Base 9	677816₉	677818₉
Base 10	405987₁₀	405989₁₀
Base 11	25802a₁₁	258031₁₁
Base 12	176b43₁₂	176b45₁₂
Base 13	112a3a₁₃	112a3c₁₃
Base 14	a7d51₁₄	a7d53₁₄
Base 15	8045c₁₅	8045e₁₅
Base 16	631e3₁₆	631e5₁₆