Properties of the Number -220545

Two Hundred Twenty Thousand Five Hundred Forty-Five

Basics

Value: -220546 → -220545 → -220544

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 13 ² × 29

Divisors: 1, 3, 5, 9, 13, 15, 29, 39, 45, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101110110000001

Octal: -656601

Duodecimal: -A7769

Hexadecimal: -35d81

Square: 48640097025

Square Root: 469.6221885728995

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

Number of ways of writing n as the sum of 10 triangular numbers from A000217. A226254

Numbers whose square can be represented in exactly three ways as the sum of a positive square and a positive fourth power. A345968

Consider all integer triples (i,j,k), j >= k > 0, with i³ = binomial(j+2,3) + binomial(k+2,3), ordered by increasing i; sequence gives i values. A54208