Properties of the Number 76671

Seventy-Six Thousand Six Hundred Seventy-One

Basics

Value: 76670 → 76671 → 76672

Parity: odd

Prime: No

Previous Prime: 76667

Next Prime: 76673

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1217

Divisors: 1, 3, 7, 9, 21, 63, 1217, 3651, 8519, 10953

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010101101111111

Octal: 225577

Duodecimal: 38453

Hexadecimal: 12b7f

Square: 5878442241

Square Root: 276.89528706715106

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 (5+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254911

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 1, 1), (1, 0, -1), (1, 1, -1)}. A149467

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254907

Smallest a(n) > a(n-1) such that a(n)²+a(n-1)² is a perfect square, with a(1)=5. A76671