14884
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
- 9
- Divisor Sum
- 26481
- Proper Divisor Sum (Aliquot Sum)
- 11597
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7320
- Möbius Function
- 0
- Radical
- 122
- Omega Function (Ω)
- 4
- 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
- yes
- 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
- yes
- Achilles Number
- no
- Perfect Power
- yes
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Bending a piece of wire of length n+1; walks of length n+1 on a tetrahedron; also non-branched catafusenes with n+2 condensed hexagons.at n=10A001998
- a(0)=1, a(1)=11, a(n) = sum_{k=0}^{k=n-1} 11^k a(k).at n=3A015499
- a(n) = (3n+2)^2.at n=41A016790
- a(n) = (4n + 2)^2.at n=30A016826
- a(n) = (5*n + 2)^2.at n=24A016874
- a(n) = (6*n + 2)^2.at n=20A016934
- a(n) = (7*n + 3)^2.at n=17A017018
- a(n) = (8*n + 2)^2.at n=15A017090
- a(n) = (9*n + 5)^2.at n=13A017222
- a(n) = (10*n + 2)^2.at n=12A017294
- a(n) = (11*n+1)^2.at n=11A017402
- a(n) = (12*n + 2)^2.at n=10A017546
- Numbers k such that k^2 is palindromic in base 11.at n=29A029996
- Squares which are palindromes in base 11.at n=10A029997
- Numbers with 9 divisors.at n=37A030627
- Squares which when written backwards remain square (final 0's excluded).at n=19A033294
- Squares which can be rearranged into squares with the same number of digits.at n=29A034289
- Non-palindromic squares which when written backwards remain square (and still have the same number of digits).at n=10A035090
- Squares which when digits are rotated left once remain square.at n=7A035127
- Denominators of continued fraction convergents to sqrt(874).at n=10A042689