Properties of the Number 25175

Twenty-Five Thousand One Hundred Seventy-Five

Basics

Value: 25174 → 25175 → 25176

Parity: odd

Prime: No

Previous Prime: 25171

Next Prime: 25183

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 19 × 53

Divisors: 1, 5, 19, 25, 53, 95, 265, 475, 1007, 1325

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001001010111

Octal: 61127

Duodecimal: 1269B

Hexadecimal: 6257

Square: 633780625

Square Root: 158.6663165262243

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

a(n) is the concatenation of n and 7n. A9441

Expansion of g.f.: 1/((1 - x - x² + x⁶ - x⁸)*(1 - x² + x⁶ + x⁷ - x⁸)). A147620

Number of n-bead quaternary necklaces (no turning over allowed) that avoid the subsequence 110. A274019

Triangle read by rows: T(n,k) = (-3)*T(n-1,k-1) + T(n,k-1) with T(2·m,0) = 0 and T(2·m+1,0) = (-2)^m. A292789

Numbers n such that xⁿ + x¹² + 1 is irreducible over GF(2). A57482

Expansion of (1-2x+6x²-x³)/(1-3x+x²)². A167478

Number of nX5 0..1 arrays with every element unequal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A317738

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A317741

Jacobi polynomial P((1, 1), n, (1/2)). A25175