Properties of the Number -121647

One Hundred Twenty-One Thousand Six Hundred Forty-Seven

Basics

Value: -121648 → -121647 → -121646

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23 × 41 × 43

Divisors: 1, 3, 23, 41, 43, 69, 123, 129, 943, 989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101101100101111

Octal: -355457

Duodecimal: -5A493

Hexadecimal: -1db2f

Square: 14797992609

Square Root: 348.77929984447184

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

G.f. satisfies: A(x) = (1 + x*(1-x)*A(x)) * (1 + x²*A(x)²). A216616

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 11011-01110-00100 pattern in any orientation. A147485