14744
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
- 4
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 29400
- Proper Divisor Sum (Aliquot Sum)
- 14656
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6912
- Möbius Function
- 0
- Radical
- 3686
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 3
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
- 133
- 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
- Numbers having four 2's in base 9.at n=6A043464
- Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 8 sites wide.at n=45A058365
- Breadth-first-wise A014486-like encoding of A080299-trees.at n=4A080313
- Numbers which are the sum of two positive cubes and divisible by 19.at n=36A102619
- a(n) = 4 * floor(9*2^n/5).at n=11A102653
- a(n) = 5 + floor( Sum_{j=1..n-1} a(j)/3 ).at n=28A120151
- Numbers k such that tau(k) = tau(k+1) mod 691, where tau is Ramanujan's tau function A000594.at n=21A121733
- a(n) = A014486(A122228(n)).at n=7A122229
- Number of fusenes with 25 hexagons, C_(2h) symmetry and containing 2n carbon atoms.at n=6A123660
- Number of "squashed-tree" graphs with n central nodes, the labeled case, allowing the direct link between L and R.at n=4A138562
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (0, 1, -1), (0, 1, 0), (1, -1, 0)}.at n=10A148301
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, -1, 1), (0, 1, 1), (1, 0, 1), (1, 1, -1)}.at n=7A150864
- Number of different deltoids (including squares) whose vertices are on an n X n grid.at n=34A159944
- Floor of the expected value of number of trials until all cells are occupied in a random distribution of 2n balls in n cells.at n=54A210024
- Number of partitions of n into parts <= phi(n), where phi is Euler's totient function (cf. A000010).at n=35A227296
- Integer areas of incentral triangles of integer-sided triangles.at n=36A227879
- Floor(AGM(n^2, n^3)), where AGM denotes the arithmetic-geometric mean.at n=36A234362
- Number of partitions of n whose different summands alternate in parity.at n=44A242110
- Numbers m > 0 that have a divisor d > 1 with binomial(m+d, d) == 1 mod m.at n=24A290040
- a(0) = 0, a(1) = 1 and a(n) = 2*a(n-1)/(n-1) + 16*a(n-2) for n > 1.at n=8A304933