Properties of the Number 26080

Twenty-Six Thousand Eighty

Basics

Value: 26079 → 26080 → 26081

Parity: even

Prime: No

Previous Prime: 26053

Next Prime: 26083

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 5 × 163

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010111100000

Octal: 62740

Duodecimal: 13114

Hexadecimal: 65e0

Square: 680166400

Square Root: 161.4930339054908

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

Fibonacci(p-J(p,5)) mod p², where p is the n-th prime and J is the Jacobi symbol. A113650

Numbers k such that 5^k mod k = 5^k mod k². A125775

Number of unlabeled connected loopless multigraphs with n edges rooted at one unoriented edge. A339038

a(n) = ∑_k=1..n μ(k) * (floor(n/k)⁴ - floor((n-1)/k)⁴). A344597

Surround numbers of an n X 2 rectangle when n is even. A61524

Number of permutations of floor(i·7/3), i=0..n-1, with all sums of 3 adjacent terms unique. A152321

Sum{T(n,k)}, k = 0,1,...,n, where T is the array defined in A024996. A26080