Properties of the Number 15005

Fifteen Thousand Five

Basics

Value: 15004 → 15005 → 15006

Parity: odd

Prime: No

Previous Prime: 14983

Next Prime: 15013

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 × 3001

Divisors: 1, 5, 3001, 15005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101010011101

Octal: 35235

Duodecimal: 8825

Hexadecimal: 3a9d

Square: 225150025

Square Root: 122.494897852931

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) = Fibonacci(5·n)/5. A49666

Primitive part of Fibonacci(n). A61446

Rectangular array of numbers Fibonacci(m(n+1))/Fibonacci(m), m >= 1, n >= 0, read by downward antidiagonals. A28412

a(n) = n⁴ + 3·n² + 1. A57721

Denominators of continued fraction convergents to sqrt(125). A41227

Expansion of ∏_k>=1 1/(1-x^3·k-1)^3·k-1. A262946

Array T(m,n) = Fibonacci(m·n)/Fibonacci(m), by antidiagonals; transpose of A028412. A214978

Numbers n such that the sum of digits of 2n equals 4. A279772

Integers that need 10 iterations of the map x->A352172(x) to reach 1. A352268

First differences of Chebyshev polynomials S(n,123) = A049670(n+1) with Diophantine property. A97843