Properties of the Number -909909

Nine Hundred Nine Thousand Nine Hundred Nine

Basics

Value: -909910 → -909909 → -909908

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 7 × 11 × 13 × 101

Divisors: 1, 3, 7, 9, 11, 13, 21, 33, 39, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011110001001010101

Octal: -3361125

Duodecimal: -37A699

Hexadecimal: -de255

Square: 827934388281

Square Root: 953.8915032643912

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

Palindromic in bases 6 and 10. A29963

a(1) =9, a(n) = smallest multiple of a(n-1) (not equal to 10^k*a(n-1)) obtained by inserting digits anywhere in a(n-1). A80494

a(1) = 9; a(n) is the smallest multiple of a(n-1) that contains all the digits of a(n-1) and is not a multiple of 10. A77710

a(1) = 9, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1). A88780