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Properties of the Number 27679

Twenty-Seven Thousand Six Hundred Seventy-Nine

Basics

Value: 27678 → 27679 → 27680

Parity: odd

Prime: No

Previous Prime: 27673

Next Prime: 27689

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

8509 Try Today's Challenge

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 23k + 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 Hn; sequence gives number of regions in Hn. 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
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 3, 6 or 8 king-move adjacent elements, with upper left element zero. A305482
When squared gives number composed of digits {2,4,8} with each of these digits appearing at least once. A27679