Properties of the Number -68441

Sixty-Eight Thousand Four Hundred Forty-One

Basics

Value: -68442 → -68441 → -68440

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 89 × 769

Divisors: 1, 89, 769, 68441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000101101011001

Octal: -205531

Duodecimal: -33735

Hexadecimal: -10b59

Square: 4684170481

Square Root: 261.6123085789352

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

Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415). A189639

Number of partitions of n with at most five part sizes. A364809

a(n) = 6·n³ - 263·n² + 3469·n - 12841. A218457

Sixth degree product sequence: a(n) = product( 1 +4·cos(k*π/n)² +16·cos(k*π/n)⁴ +64·cos(k*π/n)⁶, k=1..(n-1)/2 ). A152116

Numbers k for which σ(k) = k + k'', where k'' is the second derivative of k (A068346). A348426