Properties of the Number 78006

Seventy-Eight Thousand Six

Basics

Value: 78005 → 78006 → 78007

Parity: even

Prime: No

Previous Prime: 77999

Next Prime: 78007

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 13001

Divisors: 1, 2, 3, 6, 13001, 26002, 39003, 78006

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000010110110

Octal: 230266

Duodecimal: 39186

Hexadecimal: 130b6

Square: 6084936036

Square Root: 279.2955423919258

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

Expansion of ∏_m>=1 (1+x^m)⁶. A22571

Number of regions in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row. A369175

nextprime(5ⁿ)-nextprime(2ⁿ). A37132

Triangle of coefficients T(n,k) of xⁿ*y^k in g.f. A(x,y) satisfying y = ∑_n=-oo..+oo (-1)ⁿ * xⁿ * (y·A(x,y) + x^n-1)ⁿ⁺¹. A359670

Expansion of (1-x)/(1-x-2·x²-2·x³). A78006