Properties of the Number 25486

Twenty-Five Thousand Four Hundred Eighty-Six

Basics

Value: 25485 → 25486 → 25487

Parity: even

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 12743

Divisors: 1, 2, 12743, 25486

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 110001110001110

Octal: 61616

Duodecimal: 128BA

Hexadecimal: 638e

Square: 649536196

Square Root: 159.6433525080202

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 monic irreducible polynomials over GF(3) of degree <= n. A114945

a(n) = (7·8ⁿ + 2*(-1)ⁿ)/9. A90409

a(n) is the number whose base-4 digits are 1 followed by the first n-1 terms of the periodic sequence with initial period 2,0,3. A378497

a(n) = A002467(n) - 1. A133798

a(n) = 2·n³ - 4·n² + 6·n - 2 (n>=1). A304159

Base-8 palindromes that start with 6. A43026

Expansion of g/(2 - g²)², where g = 1+x·g³ is the g.f. of A001764. A391463

Least k with A025485(k) = n. A25486