Properties of the Number 76809

Seventy-Six Thousand Eight Hundred Nine

Basics

Value: 76808 → 76809 → 76810

Parity: odd

Prime: No

Previous Prime: 76801

Next Prime: 76819

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 25603

Divisors: 1, 3, 25603, 76809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110000001001

Octal: 226011

Duodecimal: 38549

Hexadecimal: 12c09

Square: 5899622481

Square Root: 277.14436671164725

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4. A196456

Number of partitions of n into 8 parts such that every i-th smallest part (counted with multiplicity) is different from i. A244244

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4. A196452

Number of n X 7 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4. A196455

Semiprimes of the form p² + pq + q², where p, q are consecutive primes. A243904

Number of minimal total dominating sets in the n-dipyramidal graph. A298823

a(n) = n⁴ + 853n³ + 2636n² + 3536n + 1753. A76809