11277
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 18720
- Proper Divisor Sum (Aliquot Sum)
- 7443
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6408
- Möbius Function
- 0
- Radical
- 3759
- Omega Function (Ω)
- 4
- 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
- 86
- 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
- no
- Odd
- yes
Appears in sequences
- Cube root of A030683.at n=31A030684
- Column 2 of triangle A055907.at n=26A055908
- Numbers n such that n | 12^n + 11^n + 10^n + 9^n + 8^n + 7^n + 6^n.at n=40A057263
- Sum_{k>=1} k^n/Catalan(k) rounded to nearest integer.at n=7A100666
- Numbers k such that k and k^2 use only the digits 0, 1, 2, 7 and 9.at n=28A136833
- Triangle T(n,k)=number of forests of labeled rooted trees of height at most 1, with n labels and k nodes, where any root may contain >= 1 labels, n >= 0, 0<=k<=n.at n=34A143397
- Row sums of number triangle A154221.at n=12A154222
- Numbers k such that 25*k+36 is a square.at n=42A222964
- a(n) = n*(13*n - 9)/2.at n=42A226488
- Number of partitions of n for which (number of occurrences of the least part) > (number of occurrences of greatest part).at n=34A236544
- Nonzero Hilbert function values for the invariant ring of 3 X 3 X 3 X 3 tensors.at n=5A237362
- Number of isosceles triangles, distinct up to congruence, on a centered hexagonal grid of size n.at n=44A241237
- Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 10.at n=52A244464
- Numbers n such that 13*14^n-1 is prime.at n=8A273523
- Numbers k such that [prime(k), prime(k+1), prime(k+2)] = [1, 2, 3] mod 11.at n=17A302767
- Irregular triangle read by rows with trailing zeros removed where T(n,k) is the number of labeled simple graphs with n vertices and non-spanning edge-connectivity k.at n=22A327148
- Total number of nodes in all walks on cubic lattice starting at (0,0,0), ending at (0,0,n), remaining in the first (nonnegative) octant and using steps which are permutations of (-2,1,2), (-1,0,2), (-1,1,1), (0,0,1).at n=6A328268
- Number of integer partitions of n with fewer ones than greatest multiplicity.at n=38A382526