2352
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 30
- Divisor Sum
- 7068
- Proper Divisor Sum (Aliquot Sum)
- 4716
- 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
- 672
- Möbius Function
- 0
- Radical
- 42
- Omega Function (Ω)
- 7
- 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
- yes
Recreational
- Happy Number
- no
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 120
- 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
- Shuffling 2n cards.at n=48A002139
- Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1).at n=48A002378
- a(n) = 2*n*(2*n+1).at n=24A002943
- a(n) = n^2*(n+1)^2*(n+2)/12.at n=7A004302
- Triangle read by rows: the Bell transform of the triple factorial numbers A008544 without column 0.at n=42A004747
- Number of walks on square lattice. Column y=1 of A052174.at n=7A005559
- Number of walks on square lattice. Column y=2 of A052174.at n=6A005560
- a(n) = n OR n^2 (applied to binary expansions).at n=47A007745
- Coordination sequence T2 for Zeolite Code AEL.at n=32A008005
- Coordination sequence T2 for Zeolite Code AFS.at n=37A008024
- Coordination sequence T2 for Zeolite Code BPH.at n=37A008056
- Coordination sequence T1 for Cordierite.at n=29A008251
- Molien series for Weyl group E_8.at n=55A008582
- Coordination sequence T6 for Zeolite Code DFO.at n=37A009880
- Expansion of e.g.f. arctan(exp(x)*log(x+1)).at n=6A012276
- Powers of fifth root of 2 rounded down.at n=56A018117
- Powers of fifth root of 4 rounded down.at n=28A018123
- Powers of fifth root of 16 rounded down.at n=14A018159
- a(1) = 3; a(n+1) = a(n)-th composite.at n=22A022451
- Numbers k such that sigma(k) >= 3*k.at n=41A023197