ℕ atory
Play Now

Properties of the Number 26040

Twenty-Six Thousand Forty

Basics

Value: 26039 → 26040 → 26041

Parity: even

Prime: No

Previous Prime: 26029

Next Prime: 26041

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 3 × 3 × 5 × 7 × 31

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010110111000

Octal: 62670

Duodecimal: 130A0

Hexadecimal: 65b8

Square: 678081600

Square Root: 161.36914203155447

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Array read by antidiagonals: T(m,n) is the number of maximum independent sets in the 2m X 2n king graph. A350819
Number of ways to place 3n nonattacking kings on a 6 X 2n chessboard. A61594
Number of ways to place 4n nonattacking kings on an 8 X 2n chessboard. A173782
T(n,k) is the number of (n+1) X (k+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235198
Irregular triangle read by rows: T(n,k) is the number of degree-n permutations without overlaps which furnish k new permutations without overlaps upon the addition of an (n+1)st element, 2 <= k <= 1 + floor(n/2). A259689
Numbers n such that the multiplicative group modulo n is the direct product of 6 cyclic groups. A272596
Numbers n such that σ(n) = 16*φ(n). A104903
Convert the primorial base expansion of n into its prime product form, then subtract the largest primorial which divides that product: a(n) = A276151(A276086(n)). A328476
Square array A(n,k) = A326128(A388981(n, k)), read by descending antidiagonals. A388988
Numbers with prime factorization pqrst3. A189984