Properties of the Number 25495

Twenty-Five Thousand Four Hundred Ninety-Five

Basics

Value: 25494 → 25495 → 25496

Parity: odd

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 5099

Divisors: 1, 5, 5099, 25495

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001110010111

Octal: 61627

Duodecimal: 12907

Hexadecimal: 6397

Square: 649995025

Square Root: 159.671537851929

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

T(n,k)=Number of length n+5 0..k arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248489

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic residues mod p that are < p/2. A282721

A Wallis pair (x,y) satisfies σ(x²) = σ(y²); sequence gives y's for indecomposable Wallis pairs with x < y (ordered by values of x). A75769

Expansion of x/((1 - x - x⁴)*(1 - x)⁶). A145135

Denominators of continued fraction convergents to sqrt(463). A41883

Triangle read by rows: T(n,k), 0 <= k <= n, gives the coefficients of the Charlier polynomials (with parameter a=1), ordered by rising powers. A137338

Number of length n+5 0..6 arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248487

Number of length 4+5 0..n arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248493

Numbers n such that 85·2ⁿ-1 is prime. A50568

a(n) = a(n-1) + a(n - 1 minus the number of terms of a(k) == (mod 4) so far). A60731