3152
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 10
- Divisor Sum
- 6138
- Proper Divisor Sum (Aliquot Sum)
- 2986
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1568
- Möbius Function
- 0
- Radical
- 394
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 30
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Cluster series for square lattice.at n=10A003203
- Number of points on surface of truncated tetrahedron: a(n) = 14*n^2 + 2 for n > 0, a(0)=1.at n=15A005905
- Coordination sequence T3 for Zeolite Code AEL.at n=37A008006
- a(n) = 2*a(n-1) + a(n-4).at n=11A008999
- Expansion of e.g.f. arctan(sinh(x) * exp(x)).at n=7A012520
- A015938(n)-2^n.at n=47A015939
- Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 7.at n=38A031410
- Least term in period of continued fraction for sqrt(n) is 7.at n=8A031431
- Numbers whose set of base-6 digits is {2,3}.at n=36A032806
- Numbers whose set of base-7 digits is {1,2}.at n=41A032928
- Numbers whose set of base-14 digits is {1,2}.at n=19A032934
- Multiplicity of highest weight (or singular) vectors associated with character chi_193 of Monster module.at n=37A034581
- Number of partitions of n with equal nonzero number of parts congruent to each of 1 and 2 (mod 4).at n=40A035549
- (s(n)+7)/10, where s(n)=n-th base 10 palindrome that starts with 3.at n=37A043082
- Numbers whose base-7 representation contains exactly three 2's.at n=27A043403
- Numbers k such that the string 8,2 occurs in the base 9 representation of k but not of k-1.at n=42A044325
- Numbers n such that string 5,2 occurs in the base 10 representation of n but not of n-1.at n=34A044384
- Numbers n such that string 5,2 occurs in the base 10 representation of n but not of n+1.at n=34A044765
- Numbers whose base-5 representation contains exactly three 0's and two 1's.at n=10A045171
- Numbers whose base-5 representation contains exactly three 0's and one 2.at n=31A045185