Properties of the Number -108241

One Hundred Eight Thousand Two Hundred Forty-One

Basics

Value: -108242 → -108241 → -108240

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 47 ²

Divisors: 1, 7, 47, 49, 329, 2209, 2303, 15463, 108241

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11010011011010001

Octal: -323321

Duodecimal: -52781

Hexadecimal: -1a6d1

Square: 11716114081

Square Root: 329

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) = (11·n + 10)². A17510

a(n) = (Lucas(8·n) - 2)/45. A49682

The greedy sequence of real numbers at least 1 that do not contain any 3-term geometric progressions with integer ratio. A235054

Indices k of perfect squares among 17-gonal numbers A051869(k) = k*(15·k - 13)/2. A137880

a(n) is the smallest integer k > n such that sqrt(1/n + 1/k) is a rational number; or 0 if no such k exists. A379815

a(n) = (10·n + 9)². A17378

Squares of composite numbers k that are abelian orders. A350345

a(n) = (12·n + 5)². A17582

Composite numbers whose prime factors contain no digits other than 4 and 7. A36318

Numbers n such that n*φ(n-1) is a perfect square. A69069