Properties of the Number 1946

One Thousand Nine Hundred Forty-Six

Basics

Value: 1945 → 1946 → 1947

Parity: even

Prime: No

Previous Prime: 1933

Next Prime: 1949

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 139

Divisors: 1, 2, 7, 14, 139, 278, 973, 1946

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110011010

Octal: 3632

Duodecimal: 1162

Hexadecimal: 79a

Square: 3786916

Square Root: 44.11349000022555

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) = 6·n² + 2 for n > 0, a(0)=1. A5897

Number of balanced partitions of n: the largest part equals the number of parts. A47993

a(n) = (2·n-1)*(5·n²-5·n+6)/6. A63489

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.8.8 2D tiling (cf. A008576). A299259

Snowflake (or E-toothpick) sequence (see Comments lines for definition). A161330

a(n) = n*(5·n - 1)/2. A5476

Number of non-self-conjugate partitions of n. A330644

Numbers k such that 6^k+5^k-1 is prime. A93765

Square array, read by antidiagonals, where row n equals the coordination sequence of B_n lattice, for n >= 0. A108998

The number of 4-regular plane graphs with n vertices with all faces 3-gons or 4-gons. A111361