Properties of the Number -208891

Two Hundred Eight Thousand Eight Hundred Ninety-One

Basics

Value: -208892 → -208891 → -208890

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 208891

Divisors: 1, 208891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010111111111011

Octal: -627773

Duodecimal: -A0A77

Hexadecimal: -32ffb

Square: 43635449881

Square Root: 457.0459495499331

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

Greater of twin primes p2 such that p1³+p2²=pp is the average of twin primes. p1 and p2 twin primes, p1 < p2. A139779

Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=6, k=-1 and l=1. A177197