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Properties of the Number -27806

Twenty-Seven Thousand Eight Hundred Six

Basics

Value: -27807 → -27806 → -27805

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 13903

Divisors: 1, 2, 13903, 27806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110010011110

Octal: -66236

Duodecimal: -14112

Hexadecimal: -6c9e

Square: 773173636

Square Root: 166.7513118389178

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 partitions of n with nonnegative crank. A64428
T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and nonzero second differences. A200553
Total number of Fibonacci parts in all partitions of n. A144115
Semiprimes in A033951. A113691
Expansion of ∏k>=1 ((1 + xk) / (1 + x2·k))k. A285289
Number of -7..7 arrays x(0..n+1) of n+2 elements with zero sum and nonzero second differences. A200552
Number of -n..n arrays x(0..4) of 5 elements with zero sum and nonzero second differences. A200555
Number of tilings of 2 X n rectangle with polyominoes, each of which has area = # of adjacent polyominoes. A44043
Number of different patterns of n-motifs. A99032