14506
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 21762
- Proper Divisor Sum (Aliquot Sum)
- 7256
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7252
- Möbius Function
- 1
- Radical
- 14506
- Omega Function (Ω)
- 2
- 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
- 19
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- 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 3 X 3 X 3 arrays M_ijk (1 <= i,j,k <= 3) with entries satisfying 0 <= M_ijk <= n and all line sums equal to n.at n=5A002721
- Integer part of log(n)^(sqrt(n)*log(n)).at n=13A062423
- Generalized Catalan numbers C(3; n).at n=6A064063
- Triangle composed of generalized Catalan numbers.at n=48A064094
- Seventh diagonal of triangle A064094.at n=3A064303
- Numbers n such that [A070080(n), A070081(n), A070082(n)] is an isosceles integer triangle with integer area.at n=27A070145
- Triangle arising from (4,2) tennis ball problem, read by rows.at n=33A078990
- Coefficients related to tennis ball problem.at n=4A079515
- Triangular array related to tennis ball problem, read by rows.at n=54A079520
- Triangular array related to tennis ball problem, read by rows.at n=45A079521
- Diagonal of triangular array in A079520.at n=9A079522
- a(n) = prime(n) + prime(n^2).at n=40A092504
- Maximum determinant that can be formed from the optimal set of nonnegative 3 X 3 matrix elements <=n, which maximize the number of different determinants given in A099834.at n=23A099815
- Square of triangular matrix A104445, read by rows, where X=A104445 satisfies: SHIFT_LEFT_UP(X) = X^2 - X + I.at n=47A104446
- Riordan array (1/(1-x*c(3*x)), x*c(3*x)/(1-x*c(3*x))), c(x) the g.f. of A000108.at n=21A110519
- Triangle of numbers related to the generalized Catalan sequence C(3;n+1) = A064063(n+1), n>=0.at n=20A115154
- Generalized Catalan triangle of Riordan type, called C(1,3).at n=21A116866
- Generalized Catalan triangle of Riordan type, called C(1,3).at n=22A116866
- Triangle of numbers, called Y(1,3), related to generalized Catalan numbers A064063(n) = C(3;n).at n=20A116868
- Carlitz compositions of n into odd parts.at n=31A218694