Properties of the Number 91016

Ninety-One Thousand Sixteen

Basics

Value: 91015 → 91016 → 91017

Parity: even

Prime: No

Previous Prime: 91009

Next Prime: 91019

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 31 × 367

Divisors: 1, 2, 4, 8, 31, 62, 124, 248, 367, 734

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001110001000

Octal: 261610

Duodecimal: 44808

Hexadecimal: 16388

Square: 8283912256

Square Root: 301.68858115613193

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

Strobogrammatic cyclops numbers. A153806

a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0 = s(n), |s(i) - s(i-1)| = 1 for i = 1,2; |s(i) - s(i-1)| <= 1 for i >= 3. Also a(n) = T(n,n), where T is the array defined in A024996. A24997

Numbers that are the same upside down (using only digits 0, 1, 6 and 9). A169731

a(n) is the least·such that the n values x+0, x+6, x+12, ..., x+6*(n-1) are all products of exactly two primes (i.e., semiprimes). A91016

The hyper-Wiener index of Wang's helicene-based dendrimer defined pictorially as DNS₂[n] in the Shabani et al. reference. A224462