Properties of the Number 56161

Fifty-Six Thousand One Hundred Sixty-One

Basics

Value: 56160 → 56161 → 56162

Parity: odd

Prime: No

Previous Prime: 56149

Next Prime: 56167

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 71 × 113

Divisors: 1, 7, 71, 113, 497, 791, 8023, 56161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101101100001

Octal: 155541

Duodecimal: 28601

Hexadecimal: db61

Square: 3154057921

Square Root: 236.98312176186724

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

Lower triangular matrix T, read by rows, such that the row sums of Tⁿ form the n-dimensional partitions. A96651

Sums of positive coefficients of generalized Chebyshev polynomials of the first kind, for a family of 7 data. A301424

Number of n X 3 0..1 arrays with rows and columns unimodal. A223615

Column with index 4 of triangle A096651: a(n) = A096651(n+4,4). A96644

T(n,k) = Number of n X k 0..1 arrays with rows and columns unimodal. A223620

Irregular triangle read by rows of normalized Girard-Waring formula (cf. A210258), for m=7 data values. A288245

Solutions (value of x) of Diophantine equation 2·x² + 3·x + 2 = r². A56161