14775
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 24552
- Proper Divisor Sum (Aliquot Sum)
- 9777
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7840
- Möbius Function
- 0
- Radical
- 2955
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 71
- 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
- no
- Odd
- yes
Appears in sequences
- Number of graphs with n nodes and n-3 edges.at n=13A001431
- Lucky numbers with size of gaps equal to 20 (upper terms).at n=29A031903
- Numbers k such that 135*2^k+1 is prime.at n=45A032417
- a(n) in base 14 is a repdigit.at n=44A048338
- Number of fixed directed convex polyominoes with n cells.at n=11A067676
- Largest member of the n-th row of the triangular triangle (A093445).at n=41A093446
- a(1) = a(2) = 1. a(n) = a(n-1) + (largest noncomposite {1 or prime} among the first n-2 terms of the sequence).at n=28A120761
- Indices of the primes p for which the number of representations of p as the sum of a perfect prime power (A025475: q^e with e>1) and an integer k which is less than q exceeds one.at n=3A136335
- 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, -1), (1, -1, 1), (1, 1, 0)}.at n=8A149385
- The Wiener index of the Dutch windmill graph D(5,n) (n>=1).at n=24A180579
- Number of (n+1)X(n+1) -6..6 symmetric matrices with every 2X2 subblock having sum zero and one, two or three distinct values.at n=6A211257
- Numbers which are palindromic in their Elias delta code representation.at n=35A281380
- Numbers whose digits are in nondecreasing order in bases 8 and 9.at n=50A329298
- a(0) = 0, a(1) = 1, and b = a(n-2) + a(n-1). a(n) = b if b is a prime; otherwise a(n) = a(n-1) and a(n-1) = b.at n=28A346957