8396
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 14700
- Proper Divisor Sum (Aliquot Sum)
- 6304
- 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
- 4196
- Möbius Function
- 0
- Radical
- 4198
- Omega Function (Ω)
- 3
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 65
- 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
- Alternating Engel expansion of Pi.at n=9A014014
- Numbers whose base-7 representation contains exactly four 3's.at n=11A043408
- Numbers whose base-4 representation contains exactly four 0's and two 3's.at n=24A045083
- McKay-Thompson series of class 26a for Monster.at n=27A058598
- Pierce expansion for 4 - Pi.at n=9A061233
- Number of partitions of primes into mutual coprimes > 1.at n=31A086191
- Column 1 of triangle A091604.at n=24A091611
- In binary representation: numbers not occurring in their factorial.at n=36A093685
- Square array, read by antidiagonals, where T(n,k) = T(n,k-1) + T(n-1,k+n-1) for n>0, k>0, such that T(n,0) = T(n-1,n-1) for n>0 with T(0,k)=1 for k>=0.at n=49A136730
- Ulam's spiral (NNE spoke).at n=23A143861
- Expansion of (1-2x+6x^2-x^3)/(1-3x+x^2)^2.at n=7A167478
- 1/4 the number of (n+1) X 5 binary arrays with all 2 X 2 subblock sums the same.at n=13A183981
- Triangle read by rows: T(n,k) is the number of dispersed Dyck paths of length n with k valleys at level 0.at n=67A191387
- Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first and second differences in -n..n.at n=45A209008
- Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 3.at n=32A210375
- Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths ending at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 9, n >= 2.at n=36A214376
- Number of (n+1)X(2+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.at n=1A237205
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.at n=4A237211
- Number of numbers in row n of the array at A243928.at n=23A243930
- Numbers n such that the arithmetic derivative of the totient(n) is equal to the cototient(n).at n=47A272528