Properties of the Number -53890

Fifty-Three Thousand Eight Hundred Ninety

Basics

Value: -53891 → -53890 → -53889

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 17 × 317

Divisors: 1, 2, 5, 10, 17, 34, 85, 170, 317, 634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101001010000010

Octal: -151202

Duodecimal: -2722A

Hexadecimal: -d282

Square: 2904132100

Square Root: 232.14219780126146

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

Square table, read by antidiagonals: the g.f. for row n is given recursively by (2·n-1)*x·R(n,x) = 1 + (2·n-3)*x - 1/R(n-1,x) for n >= 1 with the initial value R(0,x) = ∑_{k >= 0} A112934(k+1)*x^k. A355721

Row 3 of table A355721. A355723

Number of points that are the intersections of exactly two semicircles in the configuration A290447(n). A292103