Properties of the Number 25249

Twenty-Five Thousand Two Hundred Forty-Nine

Basics

Value: 25248 → 25249 → 25250

Parity: odd

Prime: No

Previous Prime: 25247

Next Prime: 25253

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 3607

Divisors: 1, 7, 3607, 25249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110001010100001

Octal: 61241

Duodecimal: 12741

Hexadecimal: 62a1

Square: 637512001

Square Root: 158.8993392056745

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

Least nonsquare having square residues for all moduli 2 through n. A18883

Expansion of (1+x²)*(1+x⁵)/( ∏_j=1..7 (1-x^j) ). A60962

a(n) = 2·prime(n)² - prime(n+1)². A64051

Numbers with ever-increasing minimal-square-deniers. A66730

a(n) = 6 + floor((1 + ∑_j=1..n-1 a(j))/3). A120152

Number of n X 1 0..7 arrays with no element equal to another at a city block distance of exactly two, and new values 0..7 introduced in row major order. A222890

Number of ways to write n as the sum of a positive tribonacci number (A000073) and a positive odd squarefree number. A304943

a(n) = (1/2)*s(n+3), where s = A025248. A25249