Properties of the Number 28942

Twenty-Eight Thousand Nine Hundred Forty-Two

Basics

Value: 28941 → 28942 → 28943

Parity: even

Prime: No

Previous Prime: 28933

Next Prime: 28949

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 29 × 499

Divisors: 1, 2, 29, 58, 499, 998, 14471, 28942

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000100001110

Octal: 70416

Duodecimal: 148BA

Hexadecimal: 710e

Square: 837639364

Square Root: 170.1234845634194

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

Number of partitions of n for which 2*(number of distinct parts) <= (number of parts). A237363

T(n,k)=Number of nXk 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order. A240519

Triangle read by rows: T(n,k) is the number of edge subsets E of the n X k grid graph such that E contains a path between the top left node and the bottom right node, 1 <= k <= n. A373036

Row sums of A285117: a(n) = 2 + ∑_k=1..(n-1) C(n-1,k-1) XOR C(n-1,k), a(0) = 1, a(1) = 2. A285114

Number of edge subsets E of the 3 X n grid graph such that E contains a path between the top left node and the bottom right node. A349596

Number of 4 X n mazes that can be navigated from the top left corner to the bottom right corner. A365629

Number of n X 5 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order. A240516

Number of nX7 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order. A240518

Denominators of fractions with nontrivial anomalous cancellation, listed with multiplicity if multiple numerators are possible. A291094

Negative of numerator of y coordinate of n·P where P is the generator [0,0] for rational points on curve y²+y = x³-x. A28942