Properties of the Number -213487

Two Hundred Thirteen Thousand Four Hundred Eighty-Seven

Basics

Value: -213488 → -213487 → -213486

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 41 ² × 127

Divisors: 1, 41, 127, 1681, 5207, 213487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100000111101111

Octal: -640757

Duodecimal: -A3667

Hexadecimal: -341ef

Square: 45576699169

Square Root: 462.04653445297043

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

a(n) = 1 + 2·n + n² + 2·n³ + n⁴. A165563

a(2n)=A165568(n). a(2n+1)=A165563(n). A171733