Properties of the Number 26001

Twenty-Six Thousand One

Basics

Value: 26000 → 26001 → 26002

Parity: odd

Prime: No

Previous Prime: 25999

Next Prime: 26003

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 107

Divisors: 1, 3, 9, 27, 81, 107, 243, 321, 963, 2889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010110010001

Octal: 62621

Duodecimal: 13069

Hexadecimal: 6591

Square: 676052001

Square Root: 161.24825580452026

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 singular 2 X 2 matrices over Z(n) (i.e., with determinant = 0). A20478

A239461(n) / n². A239464

Number of non-congruent solutions of x² + y² + z² + t² == 0 mod n. A240547

Square array where row n lists all numbers k for which A335885(k) = n, read by falling antidiagonals. A335910

Odd 10-gonal (or decagonal) numbers. A28993

a(n) = 4·n⁴ - 3·n². A79414

Values of·in positive integer solutions of x² + y⁵ = z³, listed in increasing order of z. (If a z-value occurs twice, list solutions in increasing order of y.) A70065

Numerators of Newton-Cotes formulas. A93735

a(n) = 3^floor(n/2)+3^floor(n/2-1)-3^floor((n-1/3)). A170832

a(n) = exp(1/3) * ∑_k>=0 (3·k + 1)ⁿ / ((-3)^k * k!). A334191