Properties of the Number -6427

Four Hundred Twenty-Seven

Basics

Value: -6428 → -6427 → -6426

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 6427

Divisors: 1, 6427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100100011011

Octal: -14433

Duodecimal: -3877

Hexadecimal: -191b

Square: 41306329

Square Root: 80.16857239592083

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) = 8·n³ - 449·n² + 7967·n - 45523. A253045

Number of ways to tile an n X n square with 1 X 1 and 2 X 2 tiles. A63443

Primes from merging of 4 successive digits in decimal expansion of e. A104845

Number of (partially defined) monotone maps from intervals of 1..n to 1..n. A48775

Pisot sequence T(5,21), a(n) = floor( a(n-1)²/a(n-2) ). A10925

Primes p whose period of reciprocal equals (p-1)/6. A56211

Integers of the form c(n)/b(n) where c(n+1)=c(n)+(n+1)⁴ with c(0)=1 and b(n+1)=b(n)+(n+1)² with b(0)=1. A119617

a(n) = 15·n² - 9·n + 1. A134154

Mother primes of order 10. A136069

Digits d in decimal expansion of n replaced with d³. A48390