Properties of the Number 24561

Twenty-Four Thousand Five Hundred Sixty-One

Basics

Value: 24560 → 24561 → 24562

Parity: odd

Prime: No

Previous Prime: 24551

Next Prime: 24571

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2729

Divisors: 1, 3, 9, 2729, 8187, 24561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 101111111110001

Octal: 57761

Duodecimal: 12269

Hexadecimal: 5ff1

Square: 603242721

Square Root: 156.71949463930773

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) is the number of integers m which take n steps to reach 1 in '3x+1' problem. A5186

a(n) = 3·2ⁿ - n - 2. A79583

a(n) gives the length of A306211 after n generations. A306215

Numbers k such that σ(k) = ψ(k) + τ(k) + π(k). A389855

First differences of A213709. A226060

Consecutive states of the linear congruential pseudo-random number generator 259·s mod 2¹⁵ when started at s=1. A384194

Expansion of ∏_k>=1 (1 - q(k)*x^k), where q(k) = number of partitions of k into distinct parts (A000009). A304786

High water marks for number of primes between prime(n)² and prime(n+1)². A380135

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 82 ones. A31850

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = 0, a(1) = 0, a(2) = -1, a(3) = 1. A295725