Compare 37989 vs 37991

Property	37989	37991
Type	composite number	prime
Unique factors	3	1
Total factors	6	1
Prime factorization	3⁴ × 7¹ × 67¹	37991¹
Prime factorization	3 × 3 × 3 × 3 × 7 × 67	37991
Divisors count	20	2
Divisors	1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 4221, 5427, 12663, 37989	1, 37991
Number of properties	0	11
Additive primes		1805th
Chen primes		1899th
Cousin primes (2nd member)		558th
Emirps		906th
Harmonic primes		1498th
Primes		4015th
Prime triplets (1st member)		268th
Prime triplets (2nd member)		267th
Sexy primes (1st member)		1151st
Sophie germain primes		534th
Twin primes (1st member)		571st
Roman numberals
Base 2	1001010001100101₂	1001010001100111₂
Base 3	1221010000₃	1221010002₃
Base 4	21101211₄	21101213₄
Base 5	2203424₅	2203431₅
Base 6	451513₆	451515₆
Base 7	215520₇	215522₇
Base 8	112145₈	112147₈
Base 9	57100₉	57102₉
Base 10	37989₁₀	37991₁₀
Base 11	265a6₁₁	265a8₁₁
Base 12	19b99₁₂	19b9b₁₂
Base 13	143a3₁₃	143a5₁₃
Base 14	dbb7₁₄	dbb9₁₄
Base 15	b3c9₁₅	b3cb₁₅
Base 16	9465₁₆	9467₁₆