16094
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 26040
- Proper Divisor Sum (Aliquot Sum)
- 9946
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7416
- Möbius Function
- -1
- Radical
- 16094
- 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
- 45
- 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
- Number of n-celled free polyominoes without holes.at n=11A000104
- a(n) = floor(10000*log(n)).at n=4A004243
- a(n) = 10000*log(n) rounded to nearest integer.at n=4A004244
- Sums of distinct powers of 11.at n=29A033047
- Revert transform of (-1 + x + x^2)/((x - 1)*(x + 1)).at n=9A049124
- a(n) = a(n-1) + Sum_{k=0..n-3} a(k) for n >= 2, a(0)=1, a(1)=2.at n=18A049853
- a(1) = 1, a(2) = 2, a(3) = 3, a(n+3) = a(n) + a(n+1).at n=33A084338
- Number of positive words of length n in the monoid Br_3 of positive braids on 4 strands.at n=11A097550
- Expansion of 1/(1-2x-x^2+4x^4).at n=13A122439
- Numbers k such that the absolute value of 11^k - k^11 is prime.at n=7A128451
- Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,6,2,0,1,0,1 for x=0,1,2,3,4,5,6.at n=5A205076
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 94", based on the 5-celled von Neumann neighborhood.at n=37A270135