λ
Sequence Observatory

897,028

22 × 11 × 19 × 29 × 37
Abundant Even Composite

Starting at 897,028, the Collatz iteration reaches 1 after 157 steps. The first transition is 448514; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 11 × 19 × 29 × 37
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 1,915,200
Proper Divisor Sum 1,018,172
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #897019 ← → #897049

Radix Representation

Decimal 897028
Binary 11011011000000000100 (20 bits)
Octal 0o3330004
Hexadecimal 0xDB004

Divisor Catalog (5 of 48)

1 2 4 11 19

Collatz Trajectory (157 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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