Properties of the Number -65440

Sixty-Five Thousand Four Hundred Forty

Basics

Value: -65441 → -65440 → -65439

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 5 × 409

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111111110100000

Octal: -177640

Duodecimal: -31A54

Hexadecimal: -ffa0

Square: 4282393600

Square Root: 255.8124312851117

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 quadrilaterals in the graph formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A332607

Column 4 of A048790. A94160

Numbers n such that the number of primes between n² and (n+1)² = the number of primes between n and Reverse(n) (inclusive). A74817

Sum of the even parts of the partitions of n into 8 parts. A309632