Properties of the Number -108649

One Hundred Eight Thousand Six Hundred Forty-Nine

Basics

Value: -108650 → -108649 → -108648

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 108649

Divisors: 1, 108649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11010100001101001

Octal: -324151

Duodecimal: -52A61

Hexadecimal: -1a869

Square: 11804605201

Square Root: 329.61947757982995

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 connected open-bowtie-free graphs on n nodes. A242791

Largest prime < 10·a(n-1), a(1)=11. A124290

Prime numbers that contain each of the digits 0,1,4,6,8,9 exactly once. A138165

Emirps using all nonprime digits (0, 1, 4, 6, 8, 9) and no others. A157533

G.f. satisfies: A(x) = exp( ∑_n>=1 xⁿ/n * ∑_k=0..2·n A084606(n,k)² * x^k * A(x)^k ), where A084606(n,k) = [x^k] (1 + 2·x + 2·x²)ⁿ. A218299

Smallest emirp with n distinct nonprime digits (or 0, if no such number exists). A158717

Prime numbers which can be expressed as the sum of two numbers, one of which is the rotationally ambigrammatic transformation of the other excluding leading zeros. A340054