2696
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 5070
- Proper Divisor Sum (Aliquot Sum)
- 2374
- 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
- 1344
- Möbius Function
- 0
- Radical
- 674
- Omega Function (Ω)
- 4
- 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
- 115
- 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
- Coefficients of iterated exponentials.at n=4A000310
- Expansion of a modular function for Gamma_0(14).at n=16A002509
- Number of paraffins.at n=22A005999
- Coordination sequence T1 for Zeolite Code LIO.at n=36A008129
- Coordination sequence T3 for Zeolite Code MTN.at n=31A008188
- Coordination sequence T8 for Zeolite Code PAU.at n=38A008226
- Coordination sequence T2 for Zeolite Code iRON.at n=36A009882
- Coordination sequence T5 for Zeolite Code RUT.at n=34A009901
- High temperature series for spin-1/2 Ising magnetic susceptibility on 4D simple cubic lattice.at n=4A010556
- Number of n-step self-avoiding walks on 4-d cubic lattice.at n=4A010575
- Coordination sequence T5 for Zeolite Code CGF.at n=36A019455
- a(n) = n*(21*n + 1)/2.at n=16A022279
- Expansion of Product_{m>=1} (1+q^m)^(4*m).at n=7A027906
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 11.at n=25A031509
- Trajectory of 1 under map n->9n+1 if n odd, n->n/2 if n even.at n=18A033962
- Number of partitions of n into parts not of the form 23k, 23k+2 or 23k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 10 are greater than 1.at n=31A035990
- Number of partitions satisfying (cn(0,5) = cn(1,5) = cn(4,5) and cn(0,5) <= cn(2,5) and cn(0,5) <= cn(3,5)).at n=51A036824
- Trajectory of 3 under map n->9n+1 if n odd, n->n/2 if n even.at n=28A037102
- Triangle read by rows: matrix 4th power of the Stirling-1 triangle A008275.at n=10A039816
- Base-7 palindromes that start with 1.at n=22A043015