Properties of the Number 24005

Twenty-Four Thousand Five

Basics

Value: 24004 → 24005 → 24006

Parity: odd

Prime: No

Previous Prime: 24001

Next Prime: 24007

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 × 4801

Divisors: 1, 5, 4801, 24005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101110111000101

Octal: 56705

Duodecimal: 11A85

Hexadecimal: 5dc5

Square: 576240025

Square Root: 154.93547043850222

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 idempotent n X n 0..k matrices of rank n-1. A224333

Numbers that reach the fixed point 89 under iteration of f(x) = reverse(x) - maxdigit(x). A97155

Expansion of x/(1 - x² - 2·x⁵ - x⁸ - x¹⁰ - x¹²). A143375

Expansion of (1-x-x²)/(1-2x-x²+x⁴). A124217

Numbers k such that k² = 24·j² + 25. A106330

Diagonal sums of the Riordan matrix A121576. A190736

Number of idempotent n X n 0..6 matrices of rank n-1. A224331

Number of idempotent 5 X 5 0..n matrices of rank 4. A224336

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood. A272155

a(n) = 1 - n⁷. A24005