Properties of the Number 89942

Eighty-Nine Thousand Nine Hundred Forty-Two

Basics

Value: 89941 → 89942 → 89943

Parity: even

Prime: No

Previous Prime: 89939

Next Prime: 89959

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 44971

Divisors: 1, 2, 44971, 89942

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111101010110

Octal: 257526

Duodecimal: 44072

Hexadecimal: 15f56

Square: 8089563364

Square Root: 299.9033177542389

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

Expansion of ∏_{1 <= i <= j <= k} 1/(1 - x^i·j*k). A321360

Consider sequence of fractions A066657/A066658 produced by ratios of terms in A066720; let m = smallest integer such that all fractions 1/n, 2/n, ..., (n-1)/n have appeared when we reach A066720(m) = k; sequence gives values of m; set a(n) = -1 if some fraction i/n never appears. A66849

Inverse binomial matrix applied to A039599. A89942

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