Properties of the Number 25273

Twenty-Five Thousand Two Hundred Seventy-Three

Basics

Value: 25272 → 25273 → 25274

Parity: odd

Prime: No

Previous Prime: 25261

Next Prime: 25301

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 127 × 199

Divisors: 1, 127, 199, 25273

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001010111001

Octal: 61271

Duodecimal: 12761

Hexadecimal: 62b9

Square: 638724529

Square Root: 158.97484077677197

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

Difference between the number of odd parts and the number of even parts in all the partitions of n. A209423

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4. A197648

a(n) = 78·n² + 1. A158769

a(n) + a(n+2) = n³. A206481

Numbers n such that φ(n) = σ(n) - reversal(σ(n)). A230012

Squarefree k > 1 with σ(σ(σ(k))) < 3·k + 1. A320513

Strong pseudoprimes to base 24. A20250

A007318·A157019. A157029

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4. A197644

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4. A197645