12376
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 32
- Divisor Sum
- 30240
- Proper Divisor Sum (Aliquot Sum)
- 17864
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4608
- Möbius Function
- 0
- Radical
- 3094
- Omega Function (Ω)
- 6
- Little Omega Function (ω)
- 4
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
- yes
- 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
- 37
- 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
- Figurate numbers or binomial coefficients C(n,6).at n=17A000579
- a(n) is the solution to the postage stamp problem with 4 denominations and n stamps.at n=29A001209
- a(n) = binomial(n,11).at n=6A001288
- Fibonomial coefficients.at n=5A001656
- Fibonomial coefficients: column 5 of A010048.at n=4A001657
- Central Fibonomial coefficients.at n=7A003268
- Binomial coefficients C(2n+1, n-2).at n=6A003516
- Define predecessors of n, P(n), to consist of numbers whose binary representation is obtained from that of n by replacing 10 with 01 or changing a final 1 to a 0; then a(0)=1, a(n) = Sum a(P(n)), n>0.at n=58A004065
- 4-dimensional analog of centered polygonal numbers.at n=17A006325
- Number of n-edge 3-connected planar maps with a sense-reversing automorphism.at n=22A006445
- Expansion of (1-x^12) / (1-x)^12.at n=6A008494
- 10-dimensional centered tetrahedral numbers.at n=6A008504
- Coordination sequence for sigma-CrFe, Position Xf.at n=28A009958
- Triangle of Fibonomial coefficients, read by rows.at n=50A010048
- Triangle of Fibonomial coefficients, read by rows.at n=49A010048
- Binomial coefficient C(17,n).at n=11A010933
- Binomial coefficient C(17,n).at n=6A010933
- Expansion of 1/((1-x)^3*(1-x^3)^2).at n=36A011779
- Triangular array formed from even elements to right of middle of rows of Pascal's triangle.at n=33A014476
- Theta series of A*_16 lattice.at n=30A023928