Properties of the Number 25669

Twenty-Five Thousand Six Hundred Sixty-Nine

Basics

Value: 25668 → 25669 → 25670

Parity: odd

Prime: No

Previous Prime: 25667

Next Prime: 25673

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 19 × 193

Divisors: 1, 7, 19, 133, 193, 1351, 3667, 25669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010001000101

Octal: 62105

Duodecimal: 12A31

Hexadecimal: 6445

Square: 658897561

Square Root: 160.21547990128795

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

Differences between two positive cubes in exactly 2 ways. A14440

Expansion of (1+2·x+3·x²)/((1-x)³*(1-x²)). A55232

Difference between two positive cubes in more than one way. A34179

Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes. A293648

Maximum detour index of any bipartite graph on n nodes. A296819

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that min(x(i) - x(i-1)) is not a part of p. A241761

Positive numbers that are the sum of two (possibly negative) cubes in at least 2 ways (primitive solutions). A293647

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) + 2·n, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296776

Odd numbers k such that A064989(k) is in A340151. A340091

Truncated dodecahedron, and truncated icosahedron with faces of centered polygons. A193248