Properties of the Number -231749

Two Hundred Thirty-One Thousand Seven Hundred Forty-Nine

Basics

Value: -231750 → -231749 → -231748

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 33107

Divisors: 1, 7, 33107, 231749

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111000100101000101

Octal: -704505

Duodecimal: -B2145

Hexadecimal: -38945

Square: 53707599001

Square Root: 481.40315744706123

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

a(n) = ∑_k=1..n kⁿ * sigma₀(k). A356239

Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 5 or 6 king-move adjacent elements, with upper left element zero. A304602