11469
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 15296
- Proper Divisor Sum (Aliquot Sum)
- 3827
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7644
- Möbius Function
- 1
- Radical
- 11469
- 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
- 29
- 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
- Poincaré series [or Poincare series] of Lie algebra associated with a certain braid group.at n=13A007993
- Numbers k such that the continued fraction for sqrt(k) has period 78.at n=38A020417
- Becomes prime after exactly 7 iterations of f(x) = sum of prime factors of x.at n=20A047826
- Positions of 4-digit terms in the continued fraction for Pi (3 is at position 0).at n=10A048959
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 22.at n=37A051963
- Sum of the reciprocals of the partitions of n enumerated in A058360.at n=50A066824
- Semiprimes s such that s-/+2 are primes.at n=43A125215
- a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^3 if n is even.at n=9A140160
- a(n) = 12*n^2 - 2*n - 1.at n=31A185918
- Number of n X 4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=9A241352
- Number of ON cells at n-th stage in simple 2-dimensional cellular automaton (see Comments lines for definition).at n=57A256530
- p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - S^3 - S^6.at n=22A291739
- Number of partitions of n with up to five distinct kinds of 1.at n=27A320692
- Number of growing self-avoiding walks of length n on a half-infinite strip of height 6 with a trapped endpoint.at n=11A374303