Properties of the Number 89939

Eighty-Nine Thousand Nine Hundred Thirty-Nine

Basics

Value: 89938 → 89939 → 89940

Parity: odd

Prime: Yes

Previous Prime: 89923

Next Prime: 89959

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 89939

Divisors: 1, 89939

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111101010011

Octal: 257523

Duodecimal: 4406B

Hexadecimal: 15f53

Square: 8089023721

Square Root: 299.898316100641

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 closed walks of length n at a base vertex of a truncated tetrahedron (triangular prism). A94554

Expansion of 1+x*(1-x-4·x²)/((1+x)*(1-2·x)*(1-3·x)). A87432

T(i,j) = 1 if F(i) AND F(j) = 0, otherwise 0, where F is A003714 and AND is the bitwise logical-and operation. Table read by antidiagonals. A89939

a(n) = largest composite number of n decimal digits that becomes prime by decreasing any one of the higher-order digits. A124113