Properties of the Number 91541

Ninety-One Thousand Five Hundred Forty-One

Basics

Value: 91540 → 91541 → 91542

Parity: odd

Prime: Yes

Previous Prime: 91529

Next Prime: 91571

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 91541

Divisors: 1, 91541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110010110010101

Octal: 262625

Duodecimal: 44B85

Hexadecimal: 16595

Square: 8379754681

Square Root: 302.5574325644637

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

Nonnegative numbers k such that 3·k + 2 is a cube. A287335

Number of complete subsets of {1..n} with maximum n. A326021

Primes that remain prime through 3 iterations of function f(x) = 8x + 3. A23292

Strong (2,3,5)-primes (see comments). A262727

Emirps whose only prime digits are 5's. A179036

Emirps with a 5 as the only prime digit. A179037

Number of nX6 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 0,3,2,1,4 for x=0,1,2,3,4. A196076

Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order. A227265

Numbers k such that k divides the sum of the digits of k^3k. A383746

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 0,3,2,1,4 for x=0,1,2,3,4. A196078