Properties of the Number -9787

Seven Hundred Eighty-Seven

Basics

Value: -9788 → -9787 → -9786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 9787

Divisors: 1, 9787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011000111011

Octal: -23073

Duodecimal: -57B7

Hexadecimal: -263b

Square: 95785369

Square Root: 98.92926766129425

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 labeled ordered partitions of an n-set into odd parts. A6154

Table T(n,k) by antidiagonals. T(n,k) is the number of primitive (=aperiodic) k-ary words (n,k >= 1) with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet. A143327

Mother primes of order 10. A136069

Primes having only {7, 8, 9} as digits. A106110

Primes having only {6, 7, 8, 9} as digits. A106111

Primes p with prime(p) + 2 and prime(p) + 6 both prime. A236464

Number of tilings of a 2 X 3 X n box using bricks of shape 3 X 1 X 1 and 2 X 1 X 1. A233313

Number of tilings of a 2 X 4 X n box using bricks of shape 3 X 1 X 1 and 2 X 1 X 1. A233507

For any circular arrangement of 0..n-1, let S = sum of squares of every sum of two contiguous numbers; then a(n) = # of distinct values of S. A7773

Discriminants of imaginary quadratic fields with class number 11 (negated). A46008