14935
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 18720
- Proper Divisor Sum (Aliquot Sum)
- 3785
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 11424
- Möbius Function
- -1
- Radical
- 14935
- Omega Function (Ω)
- 3
- 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
- 71
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- no
- Odd
- yes
Appears in sequences
- Concatenation of n-th prime and n in decimal notation.at n=34A075110
- Main diagonal of polygonal lucky array defined in A128511.at n=8A128947
- G.f.: A(x) = Sum_{n>=0} x^n / Product_{d|n} (1 - x^d)^(n/d).at n=14A193201
- Sequence of coefficients of x in marked mesh pattern generating function Q_{n,132}^(-,0,4,0)(x).at n=5A213160
- Number of acute triangles, distinct up to congruence, on a centered hexagonal grid of size n.at n=14A241232
- Number of (3+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 1 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 1 3 6 or 7.at n=7A252308
- T(n, k) is the number of k-element connected subposets of the n-th Boolean lattice, 0 <= k <= 2^n.at n=40A270952
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 389", based on the 5-celled von Neumann neighborhood.at n=28A271596
- Numbers k such that (19*10^k + 413)/9 is prime.at n=18A293684
- Number of compositions (ordered partitions) of n into centered hexagonal numbers (A003215).at n=45A322802
- 11-gonal numbers which are products of three distinct primes.at n=13A354446
- Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + 4*A(x)) = 1 + 5*Sum_{n>=1} x^(n*(n+1)/2).at n=6A370144
- Numbers that are the concatenation of three (not necessarily distinct) primes whose sum is prime, and are also the product of three (not necessarily distinct) primes whose sum is prime.at n=37A385452