Properties of the Number -215644

Two Hundred Fifteen Thousand Six Hundred Forty-Four

Basics

Value: -215645 → -215644 → -215643

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 11 × 13 ² × 29

Divisors: 1, 2, 4, 11, 13, 22, 26, 29, 44, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110100101001011100

Octal: -645134

Duodecimal: -A4964

Hexadecimal: -34a5c

Square: 46502334736

Square Root: 464.37484858678556

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+2)X(k+2) binary arrays with each 3X3 subblock nonsingular. A185534

Number of (w,x,y,z) with all terms in {1,...,n} and |x-y|<|y-z|. A212681

Number of (n+2)X5 binary arrays with each 3X3 subblock nonsingular. A185528

Number of (n+2)X(n+2) binary arrays with each 3X3 subblock nonsingular. A185525