11066
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 18144
- Proper Divisor Sum (Aliquot Sum)
- 7078
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5020
- Möbius Function
- -1
- Radical
- 11066
- Omega Function (Ω)
- 3
- 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
- 99
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- yes
- Odd
- no
Appears in sequences
- Numbers that are the sum of 9 positive 7th powers.at n=41A003376
- a(n) is the smallest number that is the sum of 3 nonzero squares in exactly n ways.at n=43A025414
- Least sum of 3 distinct nonzero squares in exactly n ways.at n=43A025415
- Number of distinct partitions of A007504(n) which can be obtained by merging parts in the partition 2+3+5+...+prime(n), where prime(n) is the n-th prime.at n=9A066740
- Number of partitions of n-th triangular number n(n+1)/2 (A000217(n)) into triangular parts.at n=14A072964
- Trisection of A007294.at n=35A073470
- Structured triakis icosahedral numbers (vertex structure 4).at n=10A100172
- Number of compositions of n into 4 parts such that no two adjacent parts are equal.at n=38A106353
- Multiples of 11 containing an 11 in their decimal representation.at n=34A121031
- Minimal value of A007947(m*(3^n-m)) with m coprime to 3.at n=10A147801
- Expansion of 1/((1-x)^5*(x^3+x^2+x+1)^2).at n=40A189376
- G.f.: q-cosh(x,q)^2 - q-sinh(x,q)^2 at q=-x.at n=20A198200
- Antidiagonal sums of the convolution array A213778.at n=20A213780
- Convolution square of A255528.at n=34A278710
- Number of multisets of nonempty binary words with a total of n letters such that no word has a majority of 0's.at n=11A292548
- Numbers missing from A317415.at n=4A317417
- Numbers k such that 373*2^k+1 is prime.at n=11A323027
- Number of essentially parallel oriented series-parallel networks with n elements and without multiple unit elements in parallel.at n=11A339289
- Third Lie-Betti number of a path graph on n vertices.at n=37A361230