Properties of the Number -217140

Two Hundred Seventeen Thousand One Hundred Forty

Basics

Value: -217141 → -217140 → -217139

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 × 11 × 47

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101000000110100

Octal: -650064

Duodecimal: -A57B0

Hexadecimal: -35034

Square: 47149779600

Square Root: 465.982832301792

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

Numbers k such that Euler φ(Dedekind ψ(k)) > k. A196200

Number of (n+2)X(4+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252957