1932
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 5376
- Proper Divisor Sum (Aliquot Sum)
- 3444
- 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
- 528
- Möbius Function
- 0
- Radical
- 966
- 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
- 24
- 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
- a(n) = round(n*phi^12), where phi is the golden ratio, A001622.at n=6A004947
- a(n) = ceiling(n*phi^12), where phi is the golden ratio, A001622.at n=6A004967
- Number of simplices in barycentric subdivision of n-simplex.at n=2A005463
- Coordination sequence T4 for Zeolite Code DAC.at n=28A008070
- Coordination sequence T2 for Zeolite Code HEU.at n=29A008117
- Coordination sequence T3 for Zeolite Code LOV.at n=29A008136
- Coordination sequence T6 for Zeolite Code NES.at n=28A008210
- Coordination sequence T7 for Zeolite Code NES.at n=28A008211
- Spontaneous magnetization coefficients for square lattice spin 3 Ising model.at n=67A010104
- Spontaneous magnetization coefficients for square lattice spin 5/2 Ising model.at n=55A010106
- Number of irreducible alternating Euler sums of depth 6 and weight 6+2n.at n=13A011796
- a(n)-th squarefree is sum of first k squarefrees for some k.at n=37A020643
- Number of partitions of n into prime power parts (1 excluded).at n=40A023894
- Long leg of more than one primitive Pythagorean triangle.at n=11A024410
- a(n) = Sum_{k=1..n} k*[ (n/k)*[ n/k ] ].at n=23A024932
- 7 times triangular numbers: 7*n*(n+1)/2.at n=23A024966
- a(n) = (d(n)-r(n))/5, where d = A026054 and r is the periodic sequence with fundamental period (3,3,0,0,4).at n=33A026056
- a(n) = 3^(n-1) - 2^n + 1 (essentially Stirling numbers of second kind).at n=7A028243
- Triangular array a(n,k) = (1/k)*Sum_{i=0..k} (-1)^(k-i)*binomial(k,i)*i^n; n >= 1, 1 <= k <= n, read by rows.at n=30A028246
- a(n) = n^2 - 4.at n=42A028347