Properties of the Number -285085

Two Hundred Eighty-Five Thousand Eighty-Five

Basics

Value: -285086 → -285085 → -285084

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 23 × 37 × 67

Divisors: 1, 5, 23, 37, 67, 115, 185, 335, 851, 1541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101100110011101

Octal: -1054635

Duodecimal: -118B91

Hexadecimal: -4599d

Square: 81273457225

Square Root: 533.933516460617

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

T(n,k)=Number of nXk 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298629

a(n) = smallest number with the property that the split-and-multiply technique (see A361338) in base n can produce all n single-digit numbers. A361340

Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298626

Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298627