Properties of the Number 80072

Eighty Thousand Seventy-Two

Basics

Value: 80071 → 80072 → 80073

Parity: even

Prime: No

Previous Prime: 80071

Next Prime: 80077

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 10009

Divisors: 1, 2, 4, 8, 10009, 20018, 40036, 80072

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100011001000

Octal: 234310

Duodecimal: 3A408

Hexadecimal: 138c8

Square: 6411525184

Square Root: 282.96996307028775

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 n X k 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284165

Number of n X 4 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284161

Number of n X 5 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284162

Values of n such that πⁿ is farther from its closest integer than any π^k for 1 <= k < n. A80072