Properties of the Number 68020

Sixty-Eight Thousand Twenty

Basics

Value: 68019 → 68020 → 68021

Parity: even

Prime: No

Previous Prime: 67993

Next Prime: 68023

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 19 × 179

Divisors: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000100110110100

Octal: 204664

Duodecimal: 33444

Hexadecimal: 109b4

Square: 4626720400

Square Root: 260.8064416382387

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 whose set of base-12 digits is {3,4}. A32836

Numbers k such that 4·10^k + 91 is prime. A295030

Bemirp gaps: differences between consecutive bemirps. A333648

a(n) = Z(S_m; σ[1](n), σ[2](n),..., σ[m](n)) where Z(S_m; x₁,x₂,...,x_m) is the cycle index of the symmetric group S_m and σ[k](n) is the sum of k-th powers of divisors of n; m=3. A68020

G.f. A(x) satisfies: A(x - x·A(x)) = x + 3·x*A(x). A291819

Smallest available integer which fits into the repeating pattern 02468. A98757