Properties of the Number 91916

Ninety-One Thousand Nine Hundred Sixteen

Basics

Value: 91915 → 91916 → 91917

Parity: even

Prime: No

Previous Prime: 91909

Next Prime: 91921

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 11 × 2089

Divisors: 1, 2, 4, 11, 22, 44, 2089, 4178, 8356, 22979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110011100001100

Octal: 263414

Duodecimal: 45238

Hexadecimal: 1670c

Square: 8448551056

Square Root: 303.1765162409516

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases. A234786

E.g.f. satisfies A(x) = log(1 + x/(1 - A(x))). A371342

Ordered differences of numbers s(j)=(1/2)C(2j,j). A205384

Number of (n+1) X (2+1) 0..3 arrays with no adjacent elements equal and with each 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases. A234780

Number of (n+1)X(3+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases. A234781

Maximum of odd products of partitions of n. A91916