Properties of the Number -169219

One Hundred Sixty-Nine Thousand Two Hundred Nineteen

Basics

Value: -169220 → -169219 → -169218

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 169219

Divisors: 1, 169219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001010100000011

Octal: -512403

Duodecimal: -81B17

Hexadecimal: -29503

Square: 28635069961

Square Root: 411.36237066605884

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

Sequence of 3 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle. A48295

Numbers n such that m=(n²+1)/2, p=(m²+1)/2, q=(p²+1)/2, and r=(q²+1)/2 are all prime. A188547

Sequence of 4 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle. A308635

Starting prime for the smallest prime Pythagorean sequence for n triangles. A105318

a(n) = 8·a(n-1) - 5·a(n-2), with a(0)=0, a(1)=1. A190977

Number of nX6 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope. A223746