Properties of the Number -19193

Nineteen Thousand One Hundred Ninety-Three

Basics

Value: -19194 → -19193 → -19192

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 17 × 1129

Divisors: 1, 17, 1129, 19193

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101011111001

Octal: -45371

Duodecimal: -B135

Hexadecimal: -4af9

Square: 368371249

Square Root: 138.53880322855397

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 Golomb partitions of n. A325858

Geometric mean of the digits = 3. In other words, the product of the digits is = 3^k where k is the number of digits. A61427

a(0)=-4, a(1)=5; thereafter a(n) = 2·a(n-1) + a(n-2). A221174

Breadth-first reading of the subtree rooted at 5 of the tree where each parent node is the arithmetic derivative (A003415) of all its children. A327975

Consider all Pythagorean triples (X,X+7,Z); sequence gives Z values. A76294

a(n) = ( 2·n*(2·n² + 9·n + 14) + (-1)ⁿ - 1 )/16. A248851

Consider Pythagorean triples which satisfy X²+(X+7)²=Z²; sequence gives increasing values of Z. A60569

A special solution of X(n)² - 280·Y(n)² = 3^2·n, n >= 0; here the X member. A249862

Part of the positive proper solutions y of the Pell equation x² - 2·y² = - 7² based on the fundamental solution (x0, y0)= (1, 5). A254759

The sixth Euler transform of the sequence with g.f. 1+x. A290355