Properties of the Number -646015

Six Hundred Forty-Six Thousand Fifteen

Basics

Value: -646016 → -646015 → -646014

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 47 × 2749

Divisors: 1, 5, 47, 235, 2749, 13745, 129203, 646015

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10011101101101111111

Octal: -2355577

Duodecimal: -271A27

Hexadecimal: -9db7f

Square: 417335380225

Square Root: 803.7505832035209

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(1) = a(2) = 1, a(3) = 4; thereafter a(n) = a(n-1) + a(n-3). A1609

a(n) = round(cⁿ), where c is the supergolden ratio A092526. A382641

a(n) = a(n-1)+2·a(n-2)+a(n-3) with a(0)=1, a(1)=4, a(2) = 6. A384367