λ
Sequence Observatory

1,005,630

2 × 3 × 5 × 33521
Abundant Even Composite

Starting at 1,005,630, the Collatz iteration reaches 1 after 258 steps. The first transition is 502815; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3 × 5 × 33521
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 2,413,584
Proper Divisor Sum 1,407,954
Digit Sum / Digital Root 15 (Root: 6)
Adjacent Primes #1005619 ← → #1005637

Radix Representation

Decimal 1005630
Binary 11110101100000111110 (20 bits)
Octal 0o3654076
Hexadecimal 0xF583E

Divisor Catalog (5 of 16)

1 2 3 5 6

Collatz Trajectory (258 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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