Properties of the Number 1020

One Thousand Twenty

Basics

Value: 1019 → 1020 → 1021

Parity: even

Prime: No

Previous Prime: 1019

Next Prime: 1021

Digit Sum: 3

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 17

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111111100

Octal: 1774

Duodecimal: 710

Hexadecimal: 3fc

Square: 1040400

Square Root: 31.937438845342623

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

Average of twin prime pairs. A14574

Numbers in base 3. A7089

Integers written in factorial base. A7623

n written in primorial base. A49345

Numbers of the form 2ⁱ - 2^j with i >= j. A23758

a(n) = n² - 4. A28347

List of codewords in binary lexicode with Hamming distance 4 written as decimal numbers. A75928

Coordination sequence for "reo-e" 3D uniform tiling. A299281

Double-bitters: only even length runs in binary expansion. A1196

Numbers whose prime indices cannot be partitioned into constant blocks with distinct sums. A381636