Properties of the Number 84145

Eighty-Four Thousand One Hundred Forty-Five

Basics

Value: 84144 → 84145 → 84146

Parity: odd

Prime: No

Previous Prime: 84143

Next Prime: 84163

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 16829

Divisors: 1, 5, 16829, 84145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100100010110001

Octal: 244261

Duodecimal: 40841

Hexadecimal: 148b1

Square: 7080381025

Square Root: 290.077575831018

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

Consider all Pythagorean triples (X,X+7,Z); sequence gives Z values. A76294

a(n) = 6·a(n-1) - a(n-2), with a(1) = 13, a(2) = 73. A220414

Consider Pythagorean triples which satisfy X²+(X+7)²=Z²; sequence gives increasing values of Z. A60569

Smallest positive integer solution x = a(n) of (3⁴)*x - 2ⁿ*y = 1 for n >= 0. A239130

Part of the positive proper solutions·of the Pell equation x² - 2·y² = - 7² based on the fundamental solution (x0, y0)= (-1, 5). A254757

First digit occurring consecutively at least n times in π's decimal expansion. A84145