Properties of the Number -219871

Two Hundred Nineteen Thousand Eight Hundred Seventy-One

Basics

Value: -219872 → -219871 → -219870

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 219871

Divisors: 1, 219871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110101101011011111

Octal: -655337

Duodecimal: -A72A7

Hexadecimal: -35adf

Square: 48343256641

Square Root: 468.90404135601136

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..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero. A204876

Number of n X 3 0..2 arrays with row sums 3 and column sums n. A172634

Number of n X 8 0..2 arrays with row sums 8 and column sums n. A172638

Number of (n+1) X 3 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero. A204870

Number of (n+1)X6 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero. A204873

Duplicate of A172634. A208446