λ
Sequence Observatory

509,570

2 × 5 × 50957
Deficient Even Composite

Starting at 509,570, the Collatz iteration reaches 1 after 151 steps. The first transition is 254785; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2 × 5 × 50957
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 917,244
Proper Divisor Sum 407,674
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #509569 ← → #509573

Radix Representation

Decimal 509570
Binary 1111100011010000010 (19 bits)
Octal 0o1743202
Hexadecimal 0x7C682

Divisor Catalog (5 of 8)

Collatz Trajectory (151 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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