Properties of the Number 2016

Two Thousand Sixteen

Basics

Value: 2015 → 2016 → 2017

Parity: even

Prime: No

Previous Prime: 2011

Next Prime: 2017

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 7

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11111100000

Octal: 3740

Duodecimal: 1200

Hexadecimal: 7e0

Square: 4064256

Square Root: 44.8998886412873

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

Hexagonal numbers: a(n) = n*(2·n-1). A384

a(n) = 2^n-1*(2ⁿ - 1), n >= 0. A6516

Coefficients in expansion of Eisenstein series E₂ (also called E₁ or G₂). A6352

Triangle of Lah numbers. A8297

Triangle whose (i,j)-th entry is binomial(i,j)*2^i-j. A38207

Triangular array: the fusion of (x+1)ⁿ and (x+2)ⁿ; see Comments for the definition of fusion. A193722

a(n) = n*σ(n). A64987

Triangle of coefficients in expansion of (1+2·x)ⁿ. A13609

Numbers that are divisible by exactly 8 primes counting multiplicity. A46310

Triangle read by rows, T(n,k) = binomial(n,k)*A000111(n-k), 0 <= k <= n. A109449

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