Properties of the Number 65000

Sixty-Five Thousand

Basics

Value: 64999 → 65000 → 65001

Parity: even

Prime: No

Previous Prime: 64997

Next Prime: 65003

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 ⁴ × 13

Divisors: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1111110111101000

Octal: 176750

Duodecimal: 31748

Hexadecimal: fde8

Square: 4225000000

Square Root: 254.95097567963924

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

a(n) = n²*(n² - 1)/6. A8911

First term of A175304 with a given prime signature. A282231

Numbers that are the sum of 2 nonzero squares in exactly 5 ways. A25288

Numbers that are the sum of 2 distinct nonzero squares in exactly 5 ways. A25306

a(n) = 9·n³ - 18·n² + 10·n. A86605

Vandermonde sequence using x² + y² applied to the Fibonacci numbers (1,2,3,5,...,F(n+1)), where F=A000045. A203746

a(n) = (n-1)³*((n-2)² - 2*(n-3)). A79503

a(n) = 8·n³*((2·n-1)² - 4·n + 4). A79504

The number of P-positions in the game of Nim with up to five piles, allowing for piles of zero, such that the total number of objects in all piles is 2n. A238759

Steffensen's bracket function [n,n-3]. A241170

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