Properties of the Number -188501

One Hundred Eighty-Eight Thousand Five Hundred One

Basics

Value: -188502 → -188501 → -188500

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 251 × 751

Divisors: 1, 251, 751, 188501

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101110000001010101

Octal: -560125

Duodecimal: -91105

Hexadecimal: -2e055

Square: 35532627001

Square Root: 434.1670185539201

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

On a spirally numbered square grid, with labels starting at 1, this is the number of the last cell that a (1,n) leaper reaches before getting trapped, or -1 if it never gets trapped. A323471

Octagonal numbers (A000567) that are semiprimes (A001358). A259677

Triangle read by rows: T(m,n) is the label of the ending square of an (m,n)-leaper (a generalization of a chess knight) when it can no longer move, starting on a board with squares spirally numbered, starting at 1; 1 <= n < m. Each move is to the lowest-numbered unvisited square. A323750

Intersection of A327653 and A327654. A327655

Coefficient of x² in minimal polynomial of the continued fraction [1ⁿ,1/2,1,1,1,...], where 1ⁿ means n ones. A266699

Strong pseudoprimes to base 45. A20271

Strong pseudoprimes to base 56. A20282

Strong pseudoprimes to base 80. A20306