Properties of the Number 80511

Eighty Thousand Five Hundred Eleven

Basics

Value: 80510 → 80511 → 80512

Parity: odd

Prime: No

Previous Prime: 80491

Next Prime: 80513

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 47 × 571

Divisors: 1, 3, 47, 141, 571, 1713, 26837, 80511

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011101001111111

Octal: 235177

Duodecimal: 3A713

Hexadecimal: 13a7f

Square: 6482021121

Square Root: 283.7446034729119

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+1)X(k+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A231997

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically. A207908

Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically. A207907

Number of 4Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically. A207909

Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A231991

Number of (n+1)X(4+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A231993

Number of (4+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one. A232001

Triangle whose n-th row contains the least set (ordered lexicographically) of n distinct positive integers whose arithmetic mean is an integer. A80511