Properties of the Number 2046

Two Thousand Forty-Six

Basics

Value: 2045 → 2046 → 2047

Parity: even

Prime: No

Previous Prime: 2039

Next Prime: 2053

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 31

Divisors: 1, 2, 3, 6, 11, 22, 31, 33, 62, 66

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111111110

Octal: 3776

Duodecimal: 1226

Hexadecimal: 7fe

Square: 4186116

Square Root: 45.232731511594565

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) = 2ⁿ - 2. A918

a(2·n) = 3·2ⁿ - 2; a(2·n+1) = 2ⁿ⁺² - 2. A27383

Number of aperiodic binary strings of length n; also number of binary sequences with primitive period n. A27375

Permutation of nonnegative integers: a(1) = 0, a(2) = 1, a(2n) = 2·a(n), a(2n+1) = 1 + 2·a(A064989(2n+1)). A243071

Coordination sequence for "reo" 3D uniform tiling. A299279

Coordination sequence for "crs" 3D uniform tiling formed from tetrahedra and truncated tetrahedra. A299268

a(n) = 2·n² - 2. A54000

Numbers n such that n³² + 1 is prime. A6315

Triangle read by rows: Joffe's central differences of zero, T(n,k), 1 <= k <= n. A241171

Expansion of (1-x+2x²)/((1-x)*(1-2x)). A95121