Properties of the Number -9487

Four Hundred Eighty-Seven

Basics

Value: -9488 → -9487 → -9486

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 53 × 179

Divisors: 1, 53, 179, 9487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010100001111

Octal: -22417

Duodecimal: -55A7

Hexadecimal: -250f

Square: 90003169

Square Root: 97.40123202506219

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

a(n) = floor(6ⁿ/(2+2·cos(π/9))ⁿ). A240733

a(n) is root of square starting with digit 9: first term of runs. A35076

a(n) = 8·n² + 7·n + 1. A194268

Numbers k at which point A336459(k) appears multiplicative, but A051027(k) does not. A336561

Leading term of n-th row of A081491. A81490

a(n) is the numerator of ∑_k=1..n 1 / (k·k!). A353545

Numbers k such that A353802(k) / σ(σ(k)) is an integer > 1, where A353802(n) = ∏_p^e||n σ(σ(p^e)). A353807

a(n) = floor( n*(n-1)*(n-2)*(n-3)/32 ). A11942

Numerators of continued fraction convergents to sqrt(287). A41540

Positive numbers whose square starts and ends with exactly one 9. A348491