2325
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
- 12
- Divisor Sum
- 3968
- Proper Divisor Sum (Aliquot Sum)
- 1643
- 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
- 1200
- Möbius Function
- 0
- Radical
- 465
- 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
- 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
- no
- Odd
- yes
Appears in sequences
- Cake numbers: maximal number of pieces resulting from n planar cuts through a cube (or cake): C(n+1,3) + n + 1.at n=24A000125
- Numbers that are the sum of 12 positive 7th powers.at n=14A003379
- Divisors of 2^20 - 1.at n=29A003529
- Divisors of 2^40 - 1.at n=42A003546
- Coordination sequence T7 for Zeolite Code EUO.at n=30A008102
- Coordination sequence T1 for Zeolite Code NON.at n=29A008212
- a(n) = floor(binomial(n,5)/5).at n=19A011851
- Odd numbers k that divide phi(k)*sigma(k).at n=8A015706
- Numbers k such that k | (phi(k) * sigma(k)) but (phi(k) + sigma(k))/k does not increase.at n=25A015708
- a(n) = floor(Gamma(n + 8/11)/Gamma(8/11)).at n=7A020052
- Pseudoprimes to base 32.at n=30A020160
- Coordination sequence T3 for Zeolite Code MWW.at n=32A024988
- Character of extremal vertex operator algebra of rank 15/2.at n=3A028533
- 5 times triangular numbers: a(n) = 5*n*(n+1)/2.at n=30A028895
- Concatenation of n and n + 2 or {n,n+2}.at n=22A032607
- Number of partitions of n with equal number of parts congruent to each of 1 and 4 (mod 5).at n=37A035558
- Schoenheim bound L_1(n,n-5,n-6).at n=12A036837
- Number of partitions of n such that cn(0,5) = cn(2,5) <= cn(1,5) < cn(3,5) = cn(4,5).at n=67A036851
- Number of partitions of 5n such that cn(0,5) = cn(1,5) = cn(4,5) < cn(2,5) = cn(3,5).at n=10A036886
- Coordination sequence for Zeolite Code DFT.at n=33A038408