Properties of the Number 26559

Twenty-Six Thousand Five Hundred Fifty-Nine

Basics

Value: 26558 → 26559 → 26560

Parity: odd

Prime: No

Previous Prime: 26557

Next Prime: 26561

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 227

Divisors: 1, 3, 9, 13, 39, 117, 227, 681, 2043, 2951

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110011110111111

Octal: 63677

Duodecimal: 13453

Hexadecimal: 67bf

Square: 705380481

Square Root: 162.96932226649284

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

Sum of GCD's of parts in all partitions of n. A78392

a(n) is the smallest k such that A307092(k) = n. A307074

Number of linear chord diagrams having n chords and no chord length larger than three. A293995

Numbers k such that k³ +- 2 and k +- 2 are prime. A329727

(1/8)*number of lattice points with odd indices in a cubic lattice inside a sphere around the origin with radius 2·n. A120884

a(n) = T(2·n, n-1), where T is given by A026552. A26559

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally and vertically. A254839

Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255757