14440
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 34290
- Proper Divisor Sum (Aliquot Sum)
- 19850
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5472
- Möbius Function
- 0
- Radical
- 190
- Omega Function (Ω)
- 6
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 58
- 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
- Some special numbers.at n=3A002116
- a(n) = (1/12)*(n+5)*(n+1)*n^2.at n=19A014205
- a(n) = 10*n^2.at n=38A033583
- Number of partitions satisfying 0 < cn(1,5) + cn(4,5).at n=35A039898
- Numbers n such that A001414(n) = sum of squared digits of n.at n=30A094908
- Row sums of A128623.at n=37A128624
- a(n) = floor(n/2) * floor(n^2/2).at n=39A131475
- a(n) = 9*n^2 + n.at n=39A154517
- a(n) = 36*n^2 + 2*n.at n=19A158064
- a(n) = 1600*n^2 + 40.at n=2A158775
- Molecular topological indices of the complete graph K_n.at n=19A181617
- Number of (n+1) X (6+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=6A235952
- Number of (n+1) X (7+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=5A235953
- n! mod n^3.at n=37A242427
- Numbers n such that there is a cube strictly between n^2 and n^2+n, and a square strictly between n^3 and n^3+n.at n=2A247628
- G.f.: Product_{k>=1} (1 + x^k) / (1 - x^(k^3)).at n=41A280277
- Number of nX4 0..1 arrays with every element equal to 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=12A298898
- Numbers m such that sigma(sigma(m))/m is a square.at n=19A318084
- a(n) is the number of edges formed by n-secting the angles of an octagon.at n=22A335771