14956
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 26180
- Proper Divisor Sum (Aliquot Sum)
- 11224
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7476
- Möbius Function
- 0
- Radical
- 7478
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 2
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
- 115
- 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
- Powers of fourth root of 3 rounded to nearest integer.at n=35A018052
- Powers of fourth root of 3 rounded up.at n=35A018053
- a(n) = T(n,1) + T(n-1,2) + ...+ T(n-k+1,k), where k = floor((n+1)/2) and T is the array defined in A026098.at n=41A026103
- Denominators of continued fraction convergents to sqrt(562).at n=10A042077
- Number of partitions of {1,..,n} into parts of sizes that are multiples of 2 and 3.at n=10A114918
- Expansion of g.f. 1/((1-x^2+x^3+x^4-x^5)*(1-x-x^2+x^3-x^5)).at n=27A147598
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, 0), (1, 0, 0), (1, 1, -1)}.at n=8A149977
- Last occurrence of n partitions in A204814.at n=22A205301
- Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 4.at n=29A209988
- Sum_{i=0..n} Sum_{j=0..n} (i AND j), where AND is the binary logical AND operator.at n=43A224924
- Number of nX4 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.at n=4A267784
- T(n,k)=Number of nXk 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.at n=32A267788
- Number of 5Xn 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.at n=3A267791
- Partial sums of A299258.at n=26A299264