Properties of the Number 284

Two Hundred Eighty-Four

Basics

Value: 283 → 284 → 285

Parity: even

Prime: No

Previous Prime: 283

Next Prime: 293

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 71

Divisors: 1, 2, 4, 71, 142, 284

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011100

Octal: 434

Duodecimal: 1B8

Hexadecimal: 11c

Square: 80656

Square Root: 16.852299546352718

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) = prime(n) + 1. A8864

Numbers k such that k² + 1 is prime. A5574

Binary partition function: number of partitions of n into powers of 2. A18819

Amicable numbers. A63990

Number of binary partitions: number of partitions of 2n into powers of 2. A123

Numbers that are the sum of 4 but no fewer nonzero squares. A4215

Nontotients: even numbers k such that φ(m) = k has no solution. A5277

Dispersion of (3+[n·r]), where r=(golden ratio)=(1+sqrt(5))/2 and [ ]=floor, by antidiagonals. A191426

Larger of amicable pair. A2046

Number of n-step self-avoiding walks on square lattice. A1411