Properties of the Number 91930

Ninety-One Thousand Nine Hundred Thirty

Basics

Value: 91929 → 91930 → 91931

Parity: even

Prime: No

Previous Prime: 91921

Next Prime: 91939

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 29 × 317

Divisors: 1, 2, 5, 10, 29, 58, 145, 290, 317, 634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011100011010

Octal: 263432

Duodecimal: 4524A

Hexadecimal: 1671a

Square: 8451124900

Square Root: 303.19960422137757

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 n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 20. A159406

Write π = ∑_n>=1 1/sqrt(a(n)), where each a(n) is minimal and unique and the sum approaches π from below. A91930