1196
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 2352
- Proper Divisor Sum (Aliquot Sum)
- 1156
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 528
- Möbius Function
- 0
- Radical
- 598
- 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
- 119
- 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
- The square sieve.at n=62A002960
- Number of nonequivalent dissections of a polygon into n pentagons by nonintersecting diagonals up to rotation and reflection.at n=6A005040
- 1 + (sum of first n odd primes - n)/2.at n=35A005521
- a(n) = Sum_{k=1..n-1} lcm(k,n-k).at n=24A006580
- Number of asymmetric polyominoes with n cells.at n=8A006749
- Exponential self-convolution of numbers of rooted trees on n nodes.at n=6A006850
- Numbers k such that phi(x) = k has exactly 3 solutions.at n=45A007367
- Coordination sequence T8 for Zeolite Code MFI.at n=22A008171
- Coordination sequence T3 for Zeolite Code VSV.at n=22A009916
- a(n) = floor(n*(n-1)*(n-2)/30).at n=34A011912
- Expansion of e.g.f.: arctanh(arctanh(x)+log(x+1))=2*x-1/2!*x^2+20/3!*x^3-54/4!*x^4...at n=5A013163
- Indices of prime Mersenne numbers (A001348).at n=20A016027
- Expansion of 1/(1-x^8-x^9-x^10-x^11-x^12-x^13-x^14-x^15-x^16).at n=49A017874
- Number of lines through exactly 2 points of an n X n grid of points.at n=9A018809
- Number of lines through exactly 8 points of an n X n grid of points.at n=45A018815
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite FAU = Faujasite (Na2,Ca,Mg)29 [ Al58Si134O384 ] . 240 H2O.at n=4A019016
- Coordination sequence T3 for Zeolite Code SAO.at n=27A019573
- Coordination sequence T4 for Zeolite Code SAO.at n=27A019574
- Convolution of A023532 and A000201.at n=42A023602
- Convolution of A023532 and A001950.at n=33A023603