Properties of the Number 45521

Forty-Five Thousand Five Hundred Twenty-One

Basics

Value: 45520 → 45521 → 45522

Parity: odd

Prime: No

Previous Prime: 45503

Next Prime: 45523

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 ² × 929

Divisors: 1, 7, 49, 929, 6503, 45521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011000111010001

Octal: 130721

Duodecimal: 22415

Hexadecimal: b1d1

Square: 2072161441

Square Root: 213.3565091577944

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

Row sums of a Chebyshev number triangle. A101125

In triangular peg solitaire, number of distinct feasible pairs starting with one peg missing and finishing with one peg. A130515

In triangular peg solitaire, number of distinct solvable feasible pairs starting with one peg missing and finishing with one peg. A130516

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A202871; by antidiagonals. A202872

Row sums of triangle A390419. A390406

Numbers k such that k! has initial digit '2'. A45521

Triangular array S(m,n), 1<=n<=m, giving the total number of tossed cards in the card game described in A161135. A161136