Properties of the Number 42889

Forty-Two Thousand Eight Hundred Eighty-Nine

Basics

Value: 42888 → 42889 → 42890

Parity: odd

Prime: No

Previous Prime: 42863

Next Prime: 42899

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 11 × 557

Divisors: 1, 7, 11, 77, 557, 3899, 6127, 42889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011110001001

Octal: 123611

Duodecimal: 209A1

Hexadecimal: a789

Square: 1839466321

Square Root: 207.09659581943882

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

Number of steps needed to solve the Towers of Hanoi exchanging disks puzzle with 3 pegs and n disks. A341579

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood. A270085

Armstrong (or pluperfect, or Plus Perfect, or narcissistic) numbers: m-digit nonnegative numbers equal to sum of the m-th powers of their digits. A5188

a(n) = (n!/2)*∑_k=1..n (n+k)!/(k!)³. A73014

Denominators of continued fraction convergents to sqrt(976). A42889