Properties of the Number 91416

Ninety-One Thousand Four Hundred Sixteen

Basics

Value: 91415 → 91416 → 91417

Parity: even

Prime: No

Previous Prime: 91411

Next Prime: 91423

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 13 × 293

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 24, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110010100011000

Octal: 262430

Duodecimal: 44AA0

Hexadecimal: 16518

Square: 8356885056

Square Root: 302.35078964672806

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) = a(n-1) + n·a(n-2); a(0) = a(1) = 1. A932

a(n) = ((3 + sqrt(7))ⁿ + (3 - sqrt(7))ⁿ)/2. A146963

Numbers n such that { x +- 2^k : 0 < k < 4 } are primes, where x = 210·n - 105. A61671

Number of n X n symmetric 0..4 arrays with no element equal to the sum or difference mod 5 of any two of its horizontal and vertical neighbors. A193783

Array read by antidiagonals: ((ceiling(sqrt(n)) + sqrt(n))^k + (ceiling(sqrt(n)) - sqrt(n))^k)/2 for columns k >= 0 and rows n >= 0. A191348

Natural numbers written out and then regrouped into the smallest possible nontrivial blocks such that each begins and ends with the same digit. (Leading zeros omitted and not counted as beginning digit). A91416