2860
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 7056
- Proper Divisor Sum (Aliquot Sum)
- 4196
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 960
- Möbius Function
- 0
- Radical
- 1430
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 4
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
- 27
- 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
- Partial sums of (unordered) ways of making change for n cents using coins of 1, 2, 5, 10 cents.at n=42A000064
- Related to population of numbers of form x^2 + y^2.at n=13A000693
- Convolved Fibonacci numbers.at n=8A001872
- Degrees of irreducible representations of alternating group A_13.at n=20A003868
- Degrees of irreducible representations of symmetric group S_13.at n=37A003877
- Degrees of irreducible representations of symmetric group S_13.at n=38A003877
- The limiting sequence [A259095(r(r+1)/2-s,r), s=0,1,2,...,r-1] for very large r.at n=30A005576
- Coordination sequence T1 for Zeolite Code CHA.at n=41A008066
- Coordination sequence T4 for Zeolite Code EMT.at n=44A008089
- Coordination sequence T1 for Zeolite Code MAZ.at n=37A008144
- Coordination sequence for tridymite, lonsdaleite, and wurtzite.at n=33A008264
- Molien series for alternating group Alt_8 (or A_8).at n=31A008631
- Expansion of (1+x^4)/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)).at n=56A008765
- Coordination sequence T2 for Zeolite Code VSV.at n=34A009915
- Multiplicity of K_3 in K_n.at n=43A014557
- Numbers whose base-2 representation is the juxtaposition of two identical strings.at n=43A020330
- Numbers whose base-4 representation is the juxtaposition of two identical strings.at n=43A020332
- Numbers whose base-8 representation is the juxtaposition of two identical strings.at n=43A020336
- Expansion of 1/(1-4*x)^(11/2).at n=3A020922
- Expansion of (1-4*x)^(15/2).at n=9A020927