Properties of the Number -200020

Two Hundred Thousand Twenty

Basics

Value: -200021 → -200020 → -200019

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 73 × 137

Divisors: 1, 2, 4, 5, 10, 20, 73, 137, 146, 274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110000110101010100

Octal: -606524

Duodecimal: -97904

Hexadecimal: -30d54

Square: 40008000400

Square Root: 447.2359556207439

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

Numbers k such that k³ has only even digits. A52004

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

a(n) is the number of tetrapods standing on the four edges of an n X n grid, so that no two feet are the same distance apart and no foot is on a corner. Tetrapods with congruent footprints are counted only once. A353447

Modified Sisyphus function of order 5: a(n) is the concatenation of the number of digits in n with the number of digits of n congruent to k modulo 5 for each k from 0 to 4 in turn. A375208

Numbers k such that k² has only digits 0, 4 and 8. A202170

Numbers k such that k and k² use only the digits 0, 2, 3, 4 and 8. A136885

Numbers k such that k and k² use only the digits 0, 2, 4, 7 and 8. A136906

Numbers k such that k and k² use only the digits 0, 2, 4 and 8. A136908

Numbers k such that k and k² use only the digits 0, 2, 4, 8 and 9. A136909