Properties of the Number 91045

Ninety-One Thousand Forty-Five

Basics

Value: 91044 → 91045 → 91046

Parity: odd

Prime: No

Previous Prime: 91033

Next Prime: 91079

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 131 × 139

Divisors: 1, 5, 131, 139, 655, 695, 18209, 91045

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110001110100101

Octal: 261645

Duodecimal: 44831

Hexadecimal: 163a5

Square: 8289192025

Square Root: 301.7366401350688

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) = 2·a(n-1) + 5·a(n-2) for n > 1; a(0) = 1, a(1) = 5. A123011

a(n) = floor(a(n-1)/(sqrt(5) - 2)) for n > 0 and a(0) = 1. A24551

Least integer k such that k/Fibonacci(n) >= 3/4. A293632

a(n) is the integer k that minimizes |k/Fibonacci(n) - 3/4|. A293633

a(n) = A119435(2ⁿ). A353035

A linear recurrence sequence: a(n) = a(n-1) + a(n-3) + a(n-5) + a(n-6). A128429

Partial sums of powers of 17 (A001026). A91045

Numbers k such that k⁴ = a⁴ + b⁴ + c⁴ + d⁴ has at least two positive primitive solutions. A331675

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317234