Properties of the Number 56242

Fifty-Six Thousand Two Hundred Forty-Two

Basics

Value: 56241 → 56242 → 56243

Parity: even

Prime: No

Previous Prime: 56239

Next Prime: 56249

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 61 × 461

Divisors: 1, 2, 61, 122, 461, 922, 28121, 56242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101110110010

Octal: 155662

Duodecimal: 2866A

Hexadecimal: dbb2

Square: 3163162564

Square Root: 237.15395843207003

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 ways that a 1 X n rectangular tile T, marked into n unit squares, can be surrounded by one layer of copies of itself laid in the plane grid generated by the units of T. Ways that differ by rotation or reflection are not counted as different. The surrounded tile is the exact surrounded region. A159294

Number of 5-element ordered antichains on an unlabeled n-element set; T₁-hypergraphs with 5 labeled nodes and n hyperedges. A56070

Numbers n such that absolute value of ∑_k=1..n μ(k)/k sets a new minimum. A70892

The number of permutations in the symmetric group S_n in which it is possible to find two disjoint increasing subsequences each with length equal to the length of the longest increasing subsequence of the permutation. A331883

Triangle read by rows: T(n,k) = number of k-part order-consecutive partition of {1,2,...,n} (1 <= k <= n). A56242