2036
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 3570
- Proper Divisor Sum (Aliquot Sum)
- 1534
- 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
- 1016
- Möbius Function
- 0
- Radical
- 1018
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 50
- 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
- Eulerian numbers (Euler's triangle: column k=2 of A008292, column k=1 of A173018).at n=11A000295
- Number of combinatorial configurations of type (n_3).at n=12A001403
- Number of n-step self-avoiding walks on hexagonal lattice from (0,0) to (1,2).at n=5A005550
- Number of acyclic tertiary alcohols with n carbon atoms.at n=8A005956
- 'Eban' numbers (the letter 'e' is banned!).at n=26A006933
- Number of unlabeled identity connected unit interval graphs with n nodes.at n=12A007122
- Number of nonsplit type 2 metacyclic 2-groups of order 2^n.at n=54A007981
- Coordination sequence T4 for Zeolite Code BOG.at n=32A008052
- Coordination sequence T1 for Zeolite Code JBW.at n=30A008121
- Coordination sequence T2 for Zeolite Code JBW.at n=30A008122
- Coordination sequence T6 for Zeolite Code PAU.at n=33A008224
- Molien series for Weyl group E_7.at n=40A008583
- a(n) = Sum_{k=0..9} binomial(n,k).at n=11A008862
- Triangle read by rows of partial sums of binomial coefficients: T(n,k) = Sum_{i=0..k} binomial(n,i) (0 <= k <= n); also dimensions of Reed-Muller codes.at n=75A008949
- Numbers in the triangle of Eulerian numbers (A008292) that are not 1.at n=36A014449
- Even numbers in the triangle of Eulerian numbers.at n=28A014450
- Even numbers in the triangle of Eulerian numbers.at n=22A014450
- Triangular array formed from elements to right of middle of rows of the triangle of Eulerian numbers.at n=28A014467
- Triangular array formed from elements to right of middle of rows of the triangle of Eulerian numbers that are greater than 1.at n=19A014468
- Triangular array formed from even elements to right of middle of rows of the triangle of Eulerian numbers.at n=11A014472