11396
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 25536
- Proper Divisor Sum (Aliquot Sum)
- 14140
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4320
- Möbius Function
- 0
- Radical
- 5698
- Omega Function (Ω)
- 5
- 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
- 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
- 68
- 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
- Number of matchings in graph C_{8} X P_{n}.at n=2A033520
- G.f.: 2*x*(2-2*x-3*x^2+2*x^3)/((1-3*x-x^2+x^3)*(1-x)).at n=8A061703
- Triangle read by rows in which row n gives coefficients of polynomial R_n(y) that satisfies R_n(1/2) = 8^n, where R_n(y) forms the initial (n+1) terms of g.f. A097182(y)^(n+1).at n=18A097181
- Number of positive words of length n in the monoid Br_6 of positive braids on 7 strands.at n=7A097553
- Number of matchings in the C_n X P_2 (n-prism) graph.at n=7A102080
- a(n) = (n-1)*(n+4)*(n+6)/6 for n > 1, a(1)=1.at n=37A137742
- Numbers such that n^2 = 29 mod 1193.at n=19A165989
- Least common multiple of prime(n)-3 and prime(n)+3.at n=35A166011
- a(n) = n*(17*n - 13)/2.at n=37A180232
- Floor-Sqrt transform of numbers of A078679 (Grand Motzkin paths with no zigzags).at n=20A192683
- Number of n X n X n 0..6 triangular arrays with each element equal to the number its zero neighbors.at n=7A197564
- Number of (w,x,y) with all terms in {0,...,n} and |w-x| != |x-y|.at n=22A212960
- Number of partitions of n having 1 more even part than odd, so that there is an ordering of parts for which the even and odd parts alternate and the first and last terms are even.at n=50A239832
- Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 1.at n=48A240010
- a(n) is the concatenation of n and 3n in binary.at n=44A246831
- a(n) = 15*n^2 - 13*n.at n=28A263226
- Number of partitions of (3, n) into a sum of distinct pairs.at n=26A268346
- Array read by antidiagonals: T(n,m) is the number of matchings in the torus grid graph C_n X C_m.at n=37A270246
- Array read by antidiagonals: T(n,m) is the number of matchings in the torus grid graph C_n X C_m.at n=43A270246
- Even 14-gonal (or tetradecagonal) numbers.at n=22A270704