Properties of the Number 91538

Ninety-One Thousand Five Hundred Thirty-Eight

Basics

Value: 91537 → 91538 → 91539

Parity: even

Prime: No

Previous Prime: 91529

Next Prime: 91541

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 37 × 1237

Divisors: 1, 2, 37, 74, 1237, 2474, 45769, 91538

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010110010010

Octal: 262622

Duodecimal: 44B82

Hexadecimal: 16592

Square: 8379205444

Square Root: 302.5524747874325

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

a(n) is the least positive number k such that n is the greatest m such that k is a quadratic nonresidue mod prime(i+1) for i=1..m and {k mod prime(i+1): i=1..m} are all distinct. A385051

a(n) cannot be prefixed or followed by any digit to form a prime ('empty' prefixes allowed). A32736

a(n) cannot be prefixed or followed by any digit to form a prime ('empty' prefixes and suffixes are allowed). A32738

Number of permutations of length n which avoid the patterns 1234, 1243, 3421. A116762

Triangle built from m-primes as columns. A91538