2096
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 10
- Divisor Sum
- 4092
- Proper Divisor Sum (Aliquot Sum)
- 1996
- 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
- 1040
- Möbius Function
- 0
- Radical
- 262
- Omega Function (Ω)
- 5
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 32
- 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
- Non-seed mu-atoms of period n in Mandelbrot set.at n=32A006875
- Low temperature antiferromagnetic susceptibility for honeycomb lattice.at n=9A007214
- Coordination sequence for 4-dimensional I-centered cubic orthogonal lattice.at n=8A008532
- Coordination sequence T4 for Zeolite Code DFO.at n=35A009878
- Coordination sequence for FeS2-Pyrite, Fe position.at n=21A009957
- Numbers that are the sum of 4 nonzero squares in exactly 9 ways.at n=50A025365
- a(n) = (d(n) - r(n))/5, where d = A026037 and r is the periodic sequence with fundamental period (1,2,0,2,0).at n=29A026039
- Triangular array T read by rows (4-diamondization of Pascal's triangle). Step 1: t(n,k) = C(n+2,k+1) + C(n+1,k) + C(n+1,k+1) + C(n,k). Step 2: T(n,k) = t(n,k) - t(0,0) + 1. Domain: 0 <= k <= n, n >= 0.at n=60A027170
- a(n) = A027170(2n, n).at n=5A027171
- a(n) = A027170(n, floor(n/2)).at n=10A027177
- a(n) = n-th largest even number in array T given by A027170.at n=35A027183
- Euler transform of 4 3 2 1 1 1 1 1 1 1 ...at n=9A029860
- 1 together with numbers of the form p*q^4 and p^9, where p and q are distinct primes.at n=42A030628
- Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 5.at n=43A031408
- Coordination sequence T1 for Zeolite Code TSC.at n=38A033616
- Numerators of continued fraction convergents to sqrt(264).at n=2A041494
- Numbers having four 0's in base 4.at n=26A043336
- Numbers k such that string 5,3 occurs in the base 7 representation of k but not of k-1.at n=48A044176
- Numbers n such that string 0,6 occurs in the base 8 representation of n but not of n-1.at n=35A044193
- Numbers n such that string 6,0 occurs in the base 8 representation of n but not of n-1.at n=36A044235