14655
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 23472
- Proper Divisor Sum (Aliquot Sum)
- 8817
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7808
- Möbius Function
- -1
- Radical
- 14655
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 102
- 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
- Expansion of 1/((1-2*x)*(1-x-2*x^3)).at n=12A003478
- 11*n^2 + 11*n + 3.at n=36A006222
- Numerators of continued fraction convergents to sqrt(412).at n=7A041782
- Coefficient of x^n in g.f.^n is A048286(n).at n=6A088223
- Expansion of g.f.: Product_{n>=1} 1/(1 - 3^n*x^n)^(3/3^n).at n=8A110153
- Numbers k such that 23^k + 2 is prime.at n=5A138050
- Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w<x+y.at n=30A182260
- Number of nonempty subsets of {1, 2, ..., n} having pairwise coprime elements.at n=26A187106
- Number of nonempty subsets of {1, 2, ..., n} with <=10 pairwise coprime elements.at n=26A187271
- Number of zero-sum -5..5 arrays of n elements with first through fourth differences also in -5..5.at n=7A201436
- Read (exponents of primes in the factorization of n!) modulo 2 and convert to decimal.at n=42A240504
- Least integer k such that k/2^n > sqrt(1/5).at n=15A293335
- Total number of colors in all colored integer partitions of n using all colors of an initial interval of the color palette such that each block of part i with multiplicity j has a pattern of i*j distinct colors in increasing order.at n=7A326649
- a(n) = (n/4)*(n^3+2*n^2+5*n+8).at n=15A334694
- a(n) is the number of reducible monic cubic polynomials x^3 + r*x^2 + s*x + t with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t) <= n).at n=31A358398
- Number of nonisomorphic open quipus with n nodes.at n=19A363251
- Antidiagonal-sums of the array A377038(n,k) = n-th term of k-th differences of squarefree numbers (A005117).at n=16A377039