11668
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 20426
- Proper Divisor Sum (Aliquot Sum)
- 8758
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5832
- Möbius Function
- 0
- Radical
- 5834
- Omega Function (Ω)
- 3
- 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
- 37
- 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
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 54.at n=3A031732
- Elias omega coded prime numbers represented in decimal.at n=25A147764
- a(n) = 16*n^2 + 4.at n=26A158444
- Number of partitions p of n not containing floor((min(p) + max(p))/2) as a part.at n=35A238483
- Number of length n 0..3 arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=6A244935
- T(n,k)=Number of length n 0..k arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=42A244940
- Number of length 7 0..n arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=2A244946
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 593", based on the 5-celled von Neumann neighborhood.at n=6A273120
- Number of integer partitions of n whose multiplicities appear with distinct multiplicities that cover an initial interval of positive integers.at n=48A325331
- Numbers that are the sum of nine fourth powers in nine or more ways.at n=11A345593
- Numbers that are the sum of eight fourth powers in exactly six ways.at n=38A345838
- Numbers that are the sum of nine fourth powers in exactly nine ways.at n=10A345851
- Numbers k such that there exists i >= 1 such that k divides 3^3^i + 1.at n=48A367266