Check the properties of a positive integer to enter the number in the search box. If you input two numbers separated by a space, the properties of the pair like GCD are shown. If you separate two numbers by a comma, the sequences containing those numbers are listed.
12 = 2 × 2 × 3
3.46410161513775438635320824687369...
2.28942848510666374650668331014458...
0.0833333333333333
1100
4
14
c
Prime number | No |
Hexagonal number | No |
Perfect number | No |
Deficient number | No |
Abundant number | No |
Mersenne number | No |
Harshad number | Yes |
Harmonic divisor number | No |
QR12 (sequence)
0
Properties of the number 12: 12 has 6 divisors. The divisors of 12 are 1, 2, 3, 4, 6, 12 and the sum of them is 28. The factorization of 12 is 2 × 2 × 3. The square and cube of 12 are 144 and 1728 respectively. The square root and cube root of 12 are 3.46410161513775438635320824687369... and 2.28942848510666374650668331014458.... The binary, octal, hexadecimal of 12 are 1100, 14, c. 12 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, Harshad number, not harmonic divisor number.
-0.53657291800043493967820040779770...
0.84385395873249213760658449245966...
-0.63585992866158080882854619630962...
0.20791169081775934257549920403108...
0.97814760073380568883294472470880...
0.21255656167002212608707623076043...
2.48490664978800035456174555292819...
1.07918124604762488694120747823035...
3.58496250072115607565592654282227...