11267
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 11880
- Proper Divisor Sum (Aliquot Sum)
- 613
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 10656
- Möbius Function
- 1
- Radical
- 11267
- Omega Function (Ω)
- 2
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 60
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Coordination sequence for Ni2In, Position Ni1 and In.at n=32A009941
- Arrange digits of cubes in ascending order.at n=23A032553
- Numbers whose base-4 representation contains exactly four 0's and two 3's.at n=30A045083
- Smallest number m with nonzero digits such that A046810(m)=n.at n=12A046813
- Interprimes which are of the form s*prime, s=19.at n=3A075294
- a(n) = 6*n^2 + 4*n + 1.at n=43A080859
- a(n) = (1/6)*(n+1)*(10*n^2 + 17*n + 12).at n=18A102296
- Number of square matrices with nonnegative integer entries and without zero rows or columns such that sum of all entries is equal to n.at n=6A120732
- Odd interprimes divisible by 19.at n=32A126231
- Number of ways to place zero or more nonadjacent 1,1 2,1 3,1 3,2 4,0 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155377
- First differences of A000219.at n=17A191659
- a(n) is the smallest k such that 2^(2^n) - 2^k - 1 is prime, or -1 if no such k exists.at n=15A232565
- Indices of primes in A027998.at n=26A285224
- p-INVERT of the positive integers, where p(S) = 1 - 3*S + 2*S^2.at n=6A291182
- p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - 2 S^2 + 2 S^3.at n=13A291250
- Numbers k such that 9*10^(2*k) + 9*10^k + 1 is prime.at n=10A309743