Properties of the Number 25802

Twenty-Five Thousand Eight Hundred Two

Basics

Value: 25801 → 25802 → 25803

Parity: even

Prime: No

Previous Prime: 25801

Next Prime: 25819

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 19 × 97

Divisors: 1, 2, 7, 14, 19, 38, 97, 133, 194, 266

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010011001010

Octal: 62312

Duodecimal: 12B22

Hexadecimal: 64ca

Square: 665743204

Square Root: 160.63000964950479

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 transitive rooted trees with n nodes. A290689

Table read by antidiagonals upward: T(n,k) is the number of ways to move a chess queen from (1,1) to (n,k) in the first quadrant using only right, diagonal up-right, and diagonal up-left moves. A334016

Row sums of triangular matrix A105535, in which diagonal n equals A105535ⁿ⁺¹ when flattened as read by rows. A105536

Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298578

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298582

Expansion of 1/((1-x²)*(1-x⁴)*(1-x⁵)). A25802

a(n) is the number of odd terms in the n-th column of A334016. A338276