Properties of the Number 90903

Ninety Thousand Nine Hundred Three

Basics

Value: 90902 → 90903 → 90904

Parity: odd

Prime: No

Previous Prime: 90901

Next Prime: 90907

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 157 × 193

Divisors: 1, 3, 157, 193, 471, 579, 30301, 90903

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001100010111

Octal: 261427

Duodecimal: 44733

Hexadecimal: 16317

Square: 8263355409

Square Root: 301.50124377852904

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 k such that k * (k + 8) is the concatenation of two numbers m and m-7. A116244

Numbers k(n) used for Markoff forms determining quadratic irrationals with purely periodic continued fractions. A305311

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

Let f(n) be formed by concatenation of first n numbers after the decimal point; a(n) = the n-th digit of 1/f(n) from the most significant side ignoring the decimal point. A90903