Properties of the Number -82705

Eighty-Two Thousand Seven Hundred Five

Basics

Value: -82706 → -82705 → -82704

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 17 × 139

Divisors: 1, 5, 7, 17, 35, 85, 119, 139, 595, 695

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10100001100010001

Octal: -241421

Duodecimal: -3BA41

Hexadecimal: -14311

Square: 6840117025

Square Root: 287.5847701113534

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 twice-partitions of n of odd length. A358824

a(n) = prime(n)*T(n), where T = A000217. A196421

Partial sums of second pentagonal numbers with even index (A049453). A51895

Number of length-4 0..n arrays with no repeated value unequal to the previous repeated value plus one mod n+1. A268945

Numerator of Euler(n, 7/24). A156962