Properties of the Number -27877

Twenty-Seven Thousand Eight Hundred Seventy-Seven

Basics

Value: -27878 → -27877 → -27876

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 61 × 457

Divisors: 1, 61, 457, 27877

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110011100101

Octal: -66345

Duodecimal: -14171

Hexadecimal: -6ce5

Square: 777127129

Square Root: 166.96406799069075

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

Number of reduced words of length n in the Weyl group D₉. A162212

Expansion of 1/sqrt((1-x)² - 4·x⁴). A98482

Triangle read by rows: T(n,k) is the number of secondary structures of size n having k stacks of length 2 (n>=0, k>=0). A202841

Array read by antidiagonals: T(m,n) is the number of (non-null) connected induced subgraphs in the rook graph K_m X K_n. A360873

Numerator of the least probability that a particular free polyomino with n cells appears in internal diffusion-limited aggregation on the square lattice. A368388

Semiprimes generated by the polynomial 2·n² + 29. A241554

Composite numbers of the form 2·k² + 29. A352949

One-third of the total number of edges formed after n points have been placed in general position on each edge of a triangle (as in A365929). A389626

Numbers k such that 6!*(2·k-7)!/(k!*(k-1)!) is an integer. A4786

Numbers k such that the continued fraction for sqrt(k) has period 77. A20416