Properties of the Number 26290

Twenty-Six Thousand Two Hundred Ninety

Basics

Value: 26289 → 26290 → 26291

Parity: even

Prime: No

Previous Prime: 26267

Next Prime: 26293

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 11 × 239

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 239, 478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011010110010

Octal: 63262

Duodecimal: 1326A

Hexadecimal: 66b2

Square: 691164100

Square Root: 162.14191315017842

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

Number of unrooted self-avoiding walks with n steps that can make turns from the set 0, +-π/6, +-2*π/6, +-3*π/6, +-4*π/6, +-5*π/6. A306182

Number of integer partitions of n containing all of their own nonzero first differences. A364674

Bisection of A000125. A100503

Records in A119632. A210611

Numbers n such that prime(n) + reversal(prime(n)) is a square. A227371

Number of 4-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions. A187378

Squares of even square pyramidal numbers. A14798

a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0, s(1) = 1, s(n) = 4, |s(i) - s(i-1)| <= 1 for i >=2, |s(2) - s(1)| = 1, |s(3) - s(2)| = 1 if s(2) = 1. Also a(n) = T(n,n-4), where T is the array in A026268. A26290

Number of 2nX8 0..3 arrays with values 0..3 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors. A198600