λ
Sequence Observatory

569,000

23 × 53 × 569
Abundant Even Composite

Starting at 569,000, the Collatz iteration reaches 1 after 40 steps. The first transition is 284500; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 5^3 × 569
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 1,333,800
Proper Divisor Sum 764,800
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #568999 ← → #569003

Radix Representation

Decimal 569000
Binary 10001010111010101000 (20 bits)
Octal 0o2127250
Hexadecimal 0x8AEA8

Divisor Catalog (32)

1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 569 1,000 1,138 2,276 2,845 4,552 5,690 11,380 14,225 22,760 28,450 56,900 71,125 113,800 142,250 284,500 569,000

Collatz Trajectory (40 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

569,000 284,500 142,250 71,125 213,376 106,688 53,344 26,672 13,336 6,668 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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