11022
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 6
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 24192
- Proper Divisor Sum (Aliquot Sum)
- 13170
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3320
- Möbius Function
- 1
- Radical
- 11022
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- yes
- 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
- 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
- a(n) = a(n-1) + a(n - 1 - number of even terms so far).at n=43A006336
- Fibonacci sequence beginning 2, 28.at n=14A022376
- Positive numbers k such that k and 2*k are anagrams in base 4 (written in base 4).at n=17A023059
- a(n) = prime(n)*prime(n-1) + 1.at n=27A023523
- Starting from generation 6 add previous and next term yielding generation 7.at n=39A048453
- Successive positions in Tower of Hanoi (with three pegs {0,1,2}) where xyz means smallest disk is on peg z, second smallest is on peg y, third smallest on peg x, etc. and leading zeros indicate largest disks are all on peg 0.at n=27A055662
- Expansion of g.f. (1 + x + 2*x^2)/((1 - x)^3*(1 - x^3)).at n=35A092498
- a(n) = 116 written in base n.at n=2A095622
- a(n) = 116 written in base 10 - n.at n=7A095623
- Numbers n such that 6*10^n + 4*R_n - 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=20A103035
- Number of 2's in n-th "Kolakoski" string defined in A054349.at n=23A111123
- Numbers beginning with a vowel in French.at n=24A118557
- Multiples of 11 containing an 11 in their decimal representation.at n=30A121031
- a(n) = 9*n^2 - 3.at n=34A157872
- Numbers n with property that 4 n^2 are squares arising in A158470.at n=26A158517
- Even cyclops numbers.at n=41A162198
- Numbers divisible by the sum of 5th powers of their digits.at n=28A169666
- 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=10A181319
- Number of 4-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=21A187378
- Numbers 3*n + 2 written in base 3.at n=38A190642