11463
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 15288
- Proper Divisor Sum (Aliquot Sum)
- 3825
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7640
- Möbius Function
- 1
- Radical
- 11463
- 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
- 68
- 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
- a(n) = ceiling(n*phi^13), where phi is the golden ratio, A001622.at n=22A004968
- Positive numbers k such that k and 5*k are anagrams in base 7 (written in base 7).at n=0A023071
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 35.at n=40A031533
- a(1)=4, then least semiprime > a(n-1) such that when all in the sequence are concatenated together they form a prime.at n=30A085703
- First column in inverse of Euler phi sequence matrix.at n=37A106479
- Number of cubic plane graphs with 2n nodes, minimal face size 3 and maximal face size 6.at n=26A219747
- a(n) is the least integer k such that k/Fibonacci(n) > 2/5.at n=23A293640
- a(n) is the integer k that minimizes |k/Fibonacci(n) - 2/5|.at n=23A293641
- Poincaré series for invariant polynomial functions on the space of binary forms of degree 14.at n=20A293939
- Poincaré series for invariant polynomial functions on the space of binary forms of degree 20.at n=14A293942
- The number of hanging vertically stable self-avoiding walks of length n on a 2D square lattice where only the connecting rods have mass.at n=14A335596
- Discriminants of imaginary quadratic fields with class number 38 (negated).at n=33A351676
- a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units formed by directly binary space partitioning 3-trapezoid sets without forming 4-trapezoid sets.at n=33A391203