Properties of the Number -103689

One Hundred Three Thousand Six Hundred Eighty-Nine

Basics

Value: -103690 → -103689 → -103688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 41 × 281

Divisors: 1, 3, 9, 41, 123, 281, 369, 843, 2529, 11521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11001010100001001

Octal: -312411

Duodecimal: -50009

Hexadecimal: -19509

Square: 10751408721

Square Root: 322.0077638815561

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

A089450 indexed by A000040. A89525

a(n) = n + floor(∑_k<n a(k)/2) with a(0)=0. A79719

Numbers n such that n-1, n and n+1 can be expressed as a sum of 2 squares in at least 2 ways. A91459