Properties of the Number -8020

Twenty

Basics

Value: -8021 → -8020 → -8019

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 401

Divisors: 1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111101010100

Octal: -17524

Duodecimal: -4784

Hexadecimal: -1f54

Square: 64320400

Square Root: 89.55445270895244

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) = n³ + n. A34262

Numbers that are the sum of 3 positive 5th powers. A3348

Smallest composite that when added to sum of prime factors reaches a prime after n iterations. A50710

Numbers n such that Bernoulli number B_n has denominator 330. A272183

a(n) = ∑_i=1..n binomial(i+1,2)⁵. A85440

Numbers m such that there are precisely 20 groups of order m. A298911

Numbers k such that k³ divides 3^k² - 1. A129211

Numbers k such that k³ divides 9^k² - 1. A177909

Numbers k such that k⁸ == 1 (mod 9³). A56084

Primitive side of squares of type 1 (A344331) that are tiled with squares of two different sizes so that the number of large or small squares is the same. A344333