Properties of the Number -162821

One Hundred Sixty-Two Thousand Eight Hundred Twenty-One

Basics

Value: -162822 → -162821 → -162820

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 162821

Divisors: 1, 162821

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111110000000101

Octal: -476005

Duodecimal: -7A285

Hexadecimal: -27c05

Square: 26510678041

Square Root: 403.510842481339

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

a(n) = smallest prime p for which (r-p)/log(p) < 1/n, where r is the next prime after p. A82884

Primes from merging of 6 successive digits in decimal expansion of exp(π). A105011

Number of (n+1) X 3 0..1 matrices with each 2 X 2 subblock idempotent. A224544