Properties of the Number 65441

Sixty-Five Thousand Four Hundred Forty-One

Basics

Value: 65440 → 65441 → 65442

Parity: odd

Prime: No

Previous Prime: 65437

Next Prime: 65447

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 31 × 2111

Divisors: 1, 31, 2111, 65441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111110100001

Octal: 177641

Duodecimal: 31A55

Hexadecimal: ffa1

Square: 4282524481

Square Root: 255.8143858347298

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

Semiprimes of the form (2^k - m)*(m·2^k - 1). A239038

Primitive solutions k to k² = u⁴ + v⁴ + w⁴, with u, v, w > 0. A365688

Integers k such that k² can be written as the sum of three positive fourth powers. A365657

a(n) = 2·n³ - 3·n + 1. A377663

Number of odd-length integer partitions of n satisfying (mean) = (median) = (mode), assuming there is a unique mode. A363721

Sum of absolute values of terms in n-th row of A065432. A65441