Properties of the Number 65026

Sixty-Five Thousand Twenty-Six

Basics

Value: 65025 → 65026 → 65027

Parity: even

Prime: No

Previous Prime: 65011

Next Prime: 65027

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 13 × 41 × 61

Divisors: 1, 2, 13, 26, 41, 61, 82, 122, 533, 793

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111000000010

Octal: 177002

Duodecimal: 3176A

Hexadecimal: fe02

Square: 4228380676

Square Root: 255.0019607767752

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

Numbers k that divide 4^k + 4. A15889

Number of bitstrings of length n which (if having two or more runs) the last two runs have different lengths. A208900

Numbers k such that the sum of the Carmichael λ functions of the divisors is a proper divisor of k. A131492

Integers of the form k² + 1, where k >= 1, that are the product of two other integers of the form k² + 1, where k >= 1. A372496

Expansion of x*(x³+2·x²+3·x-1)/(x+1)⁵. A119515

Numbers k such that k-1 is a perfect square and k+1 is prime. A392249

a(1) = 1; for n>1, a(n) = smallest number that is not a sum or product of any subset of the numbers a(1) to a(n-1). A65026

Numbers n such that gcd(φ(n), n-1) > λ(n). A283656