Properties of the Number -284089

Two Hundred Eighty-Four Thousand Eighty-Nine

Basics

Value: -284090 → -284089 → -284088

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 13 ² × 41 ²

Divisors: 1, 13, 41, 169, 533, 1681, 6929, 21853, 284089

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101010110111001

Octal: -1052671

Duodecimal: -1184A1

Hexadecimal: -455b9

Square: 80706559921

Square Root: 533

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

Squares that are the sum of 3 consecutive primes. A80665

Expansion of x*(1+8·x)/((1-8·x)*(1+11·x+64·x²)). A112259

Number of subsets of {1,2,...,n-10} without differences equal to 2, 4, 6, 8 or 10. A224812

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = sqrt( ∏_a=1..n-1 ∏_b=1..k-1 (4·sin(a*π/n)² + 4·cos(b*π/k)²) ). A340561

Numbers n such that max(τ(n),τ(n+1),τ(n+2))- min(τ(n),τ(n+1),τ(n+2)) = 1. A173149

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, -1), (0, 1, 1), (1, -1, 1)}. A148851