14110
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 7
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 27216
- Proper Divisor Sum (Aliquot Sum)
- 13106
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5248
- Möbius Function
- 1
- Radical
- 14110
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 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
- a(n) = (d(n)-r(n))/2, where d = A026060 and r is the periodic sequence with fundamental period (1,0,0,0).at n=46A026061
- a(n) = round(10000*log(n/10)).at n=40A104077
- The even composites c such that c=q*g*j*y and q+g=j*y where q,g,j,y are primes.at n=30A167690
- Number of ways to arrange 4 points on an n X n X n triangular grid on an isosceles triangle so that it balances at the midpoint of its central altitude.at n=14A194021
- Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 4.at n=38A210376
- Number of (w,x,y,z) with all terms in {1,...,n} and w+y=|x-y|+|y-z|.at n=30A212677
- Palindromic in bases 7 and 29.at n=20A249158
- Numbers k such that 7*R_(k+2) - 10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=5A257032
- Sum of maximum subrange sum over all length-n arrays of {1, -1}.at n=11A276691
- Coordination sequence for "reo" 3D uniform tiling.at n=42A299279
- Number of partitions of n in which the sequence of the sum of the same summands is nondecreasing.at n=46A304405
- a(n) is the smallest positive integer not the sum of one or more nonzero powers of p_0, p_1, ..., p_n, where p_0 = 1 and p_n = prime(n) for n >= 1.at n=7A351900
- a(n) = Sum_{k=0..n} (-1)^k * binomial(n+k+2,n-k) * Fibonacci(k+1).at n=13A390853