Properties of the Number 20200

Twenty Thousand Two Hundred

Basics

Value: 20199 → 20200 → 20201

Parity: even

Prime: No

Previous Prime: 20183

Next Prime: 20201

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 ² × 101

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100111011101000

Octal: 47350

Duodecimal: B834

Hexadecimal: 4ee8

Square: 408040000

Square Root: 142.12670403551894

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 that are the sum of 7 positive 9th powers. A3396

Sum of 10 nonzero 8th powers. A3388

Multiples of 4 whose digits add to 4. A63997

Numbers whose decimal expansion contains only 0's and 2's. A169965

Non-palindromic numbers n such that n·reverse(n) is a square and n and reverse(n) do not have the same number of digits. A322835

Numbers k such that k³ has only even digits. A52004

Full Łukasiewicz word for each rooted plane tree (interpretation e in Stanley's exercise 19) encoded by A014486 (or A063171). A79436

Sums of the products of n consecutive pairs of numbers. A135036

Numbers k such that k and k² use only the digits 0, 2, 4, 6 and 8. A136904

Numbers consisting of either 2's and 0's or 5's and 0's. A168541