11032
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 7
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 23760
- Proper Divisor Sum (Aliquot Sum)
- 12728
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4704
- Möbius Function
- 0
- Radical
- 2758
- Omega Function (Ω)
- 5
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 130
- 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
- yes
- Odd
- no
Appears in sequences
- Expansion of 1/(1 - x^2 - x^3 - x^4) = 1/((1 + x)*(1 - x - x^3)).at n=27A013979
- Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-5).at n=25A023435
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 30.at n=6A031708
- Number of points of l_1 norm n in the "diamond" lattice D^+_4.at n=14A035878
- Expansion of e.g.f. log(-1/(-1+x))*exp(x) - log(-1/(-1+x)).at n=8A052863
- Coefficients of monic primitive irreducible polynomials over GF(5) listed in lexicographic order.at n=36A058950
- Multiples of 7 whose sum of digits is equal to 7.at n=22A063416
- Expansion of (1-x)^(-1)/(1-x-2*x^2-x^3).at n=12A077864
- Number of transitions necessary for a Turing machine to compute the differences between consecutive primes (primes written in unary), when using the instruction table below.at n=20A078612
- Sum of numbers in n-th upward diagonal of triangle in A079823.at n=41A079824
- a(n) = 4*n^3 + 4*n.at n=14A105374
- Expansion of g.f.: (1-x^2-x^3)/( (1+x)*(1-x-x^3) ).at n=31A107458
- Number of points in the standard root system version of the D_4 lattice having L_infinity norm n.at n=7A117216
- Pairs (j, k) of numbers j<k such that phi(j) = phi(k), sigma(j) = sigma(k), d(j) = d(k).at n=40A134922
- 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, 0), (0, 0, -1), (1, 0, 0), (1, 1, 1)}.at n=7A150770
- a(n) = 225*n^2 + n.at n=6A156814
- a(n) = 49*n^2 + 7.at n=14A158481
- Even cyclops numbers.at n=45A162198
- Numbers k such that k^3 divides 15^(k^2) - 1.at n=34A177915
- Numbers n with property that there is a different number m such that the lunar squares n*n and m*m are the same.at n=19A181319