Compare 99981 vs 99991

Property	99981	99991
Type	composite number	prime
Unique factors	3	1
Total factors	6	1
Prime factorization	3³ × 7¹ × 23²	99991¹
Prime factorization	3 × 3 × 3 × 7 × 23 × 23	99991
Divisors count	24	2
Divisors	1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 529, 621, 1449, 1587, 3703, 4347, 4761, 11109, 14283, 33327, 99981	1, 99991
Number of properties	0	5
Additive primes		3883rd
Chen primes		4234th
Harmonic primes		3622nd
Primes		9592nd
Twin primes (2nd member)		1224th
Roman numberals
Base 2	11000011010001101₂	11000011010010111₂
Base 3	12002011000₃	12002011101₃
Base 4	120122031₄	120122113₄
Base 5	11144411₅	11144431₅
Base 6	2050513₆	2050531₆
Base 7	564330₇	564343₇
Base 8	303215₈	303227₈
Base 9	162130₉	162141₉
Base 10	99981₁₀	99991₁₀
Base 11	69132₁₁	69141₁₁
Base 12	49a39₁₂	49a47₁₂
Base 13	3667b₁₃	36688₁₃
Base 14	28617₁₄	28623₁₄
Base 15	1e956₁₅	1e961₁₅
Base 16	1868d₁₆	18697₁₆