14212
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
- 2
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 30240
- Proper Divisor Sum (Aliquot Sum)
- 16028
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5760
- Möbius Function
- 0
- Radical
- 7106
- Omega Function (Ω)
- 5
- 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
- no
- 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
- 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
- Expansion of Product_{k>=1} (1 - x^k)^19.at n=7A010825
- Numbers k such that phi(k + 12) | sigma(k) for k not congruent to 0 (mod 3).at n=43A015850
- Expansion of x^2*(2 - x + x^2) / ((1 + x)*(1 - x)^4).at n=42A026035
- Number of points of L1 norm 3 in cubic lattice Z^n.at n=22A035597
- Coordination sequence for lattice D*_22 (with edges defined by l_1 norm = 1).at n=3A035611
- Coordination sequence for 22-dimensional cubic lattice.at n=3A035717
- a(n) = (Fibonacci(2n-1) - Fibonacci(n+1))/2.at n=12A056014
- Number of 3 X 3 matrices, with elements from {0,...,n}, having the property that the middle element of each of the eight 3-element horizontal, vertical and diagonal lines equals the average of the two end elements.at n=43A059329
- Partial sums of A084263.at n=43A084570
- Least number beginning with n such that every partial sum is a square.at n=13A095158
- Number of ordered triples (i,j,k) in range [0..n] satisfying i == j mod 2 and j == k mod 3.at n=43A115520
- Triangle of Gely numbers, read by rows.at n=41A132795
- a(1)=1, a(n)=a(n-1)+n^2 if n odd, a(n)=a(n-1)+ n^0 if n is even.at n=43A140148
- 4 times heptagonal numbers: a(n) = 2*n*(5*n-3).at n=38A153784
- Sums of the antidiagonals of Sundaram's sieve (A159919).at n=32A159920
- Number of binary strings of length n with no substrings equal to 000, 010, or 111.at n=43A164317
- Row sums of A168281.at n=42A168380
- Number of ways to place n nonattacking composite pieces rook + semi-rider[2,2] on an n X n chessboard.at n=7A189843
- Number of orbits of size 2 in vertices of Fibonacci cube Gamma_n under the action of its automorphism group.at n=20A250111
- n*a(n+1) = (2*n^2+2*n+1)*a(n)+(n+1)*a(n-1); a(0)=1, a(1)=0.at n=6A258916