14050
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 26226
- Proper Divisor Sum (Aliquot Sum)
- 12176
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5600
- Möbius Function
- 0
- Radical
- 2810
- Omega Function (Ω)
- 4
- 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
- yes
- 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
- Numbers k such that k | 7^k + 1.at n=9A015954
- a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 12.at n=16A022326
- Number of positions that are exactly n moves from the starting position in the Rashkey Type 1 puzzle.at n=10A079843
- Length of lists created by n substitutions k -> Range[0,Mod[k+1,4]] starting with {0}.at n=10A084085
- Minimal values of m=a^2+b^2=c^2+d^2 for each x=a+b+c+d=6*p (p=any odd prime).at n=14A093194
- Positive numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers and x>y).at n=6A135791
- Numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers).at n=19A135793
- Triangle T(n,k) read by rows: T(n, k) = (m*n - m*k + 1)*T(n - 1, k - 1) + (9*k - 8)*(m*k - (m - 1))*T(n - 1, k) where m = 0.at n=17A166979
- (A178476(n)-3)/9.at n=21A178486
- Numbers n such that d(n-2) = d(n) = d(n+2) = 12 where d(n)=A000005(n).at n=10A190645
- Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 5.at n=37A210377
- Number of (w,x,y,z) with all terms in {1,...,n} and w+x=|x-y|+|y-z|.at n=30A212676
- Maximum of the partition function on the set of all partitions of n minus the number of partitions of n.at n=23A239314
- Triangle read by rows: T(n,k) = number of cubic graphs with 2n nodes and packing chromatic number k (n>=2, 4 <= k <= n+2).at n=30A275622
- a(n) = Sum_{k=0..n} k!^3.at n=4A289948
- a(n) = a(n-1) + sum of base-1000 digits of a(n-1), a(0)=1.at n=42A292568