Properties of the Number 82169

Eighty-Two Thousand One Hundred Sixty-Nine

Basics

Value: 82168 → 82169 → 82170

Parity: odd

Prime: No

Previous Prime: 82163

Next Prime: 82171

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 127 × 647

Divisors: 1, 127, 647, 82169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10100000011111001

Octal: 240371

Duodecimal: 3B675

Hexadecimal: 140f9

Square: 6751744561

Square Root: 286.6513561802909

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 with the property that it is possible to write the base 2 expansion of k as concat(a₂,b₂), with a₂>0 and b₂>0 such that, converting a₂ and b₂ to base 10 as a and b, we have σ(a) + σ (b) = σ(k) - k. A258813

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, -1), (0, 1, -1), (0, 1, 1), (1, 0, 0)}. A150178

Deterministic completely defined quasi-acyclic automata with 2 inputs, n transient and k absorbing labeled states. A82169

Square array read by descending antidiagonals: A(n,k) is the least number m such that the base-n expansion of m contains the base-n expansions of 1..k as substrings. A350510