Properties of the Number -27679

Twenty-Seven Thousand Six Hundred Seventy-Nine

Basics

Value: -27680 → -27679 → -27678

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 89 × 311

Divisors: 1, 89, 311, 27679

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110110000011111

Octal: -66037

Duodecimal: -14027

Hexadecimal: -6c1f

Square: 766127041

Square Root: 166.37006942355947

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

Numbers k such that 23^k + 2 is prime. A138050

Draw a regular n-gon and the enclosing circle, then for each pair of vertices X, Y, draw a circle with diameter XY; the union of these figures is the graph H_n; sequence gives number of regions in H_n. A370978

Numbers n such that "n 42's followed by 43" is prime. A110705

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 17 ones. A31785

Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 6 or 8 king-move adjacent elements, with upper left element zero. A305480

Semiprimes k such that k is congruent to 7 modulo k's index in the sequence of semiprimes. A356357