14693
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16800
- Proper Divisor Sum (Aliquot Sum)
- 2107
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 12588
- Möbius Function
- 1
- Radical
- 14693
- Omega Function (Ω)
- 2
- 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
- 164
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- Same rule as Aitken triangle (A011971) except a(0,0)=1, a(1,0)=0.at n=48A046934
- Sequence formed from rows of triangle A046934.at n=38A046935
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 8.at n=20A050957
- a(n) = floor((5/4)^n).at n=43A065565
- Triangle read by rows: A007318^(-1) * A011971.at n=50A136789
- Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition).at n=4A141790
- Partial sums of floor(n^3/3).at n=20A173707
- Potential magic constants of 7 X 7 magic squares composed of consecutive primes.at n=37A188536
- Triangle read by rows: Bell transform of A000262.at n=40A265608
- Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.at n=6A276294
- T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.at n=42A276299
- Number of 7Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.at n=2A276304
- Expansion of Product_{k>=1} 1/(1 - x^(k^2))^A037444(k).at n=52A320846
- Numbers k such that k and 4k, taken together, contain all digits 1 though 9 at least once.at n=15A346135
- Number of integer partitions of n such that for some part k the multiplicity of k exceeds k.at n=36A387578