λ
Sequence Observatory

479,521

7 × 61 × 1123
Deficient Odd Composite

Starting at 479,521, the Collatz iteration reaches 1 after 76 steps. The first transition is 1438564; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 7 × 61 × 1123
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 557,504
Proper Divisor Sum 77,983
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #479513 ← → #479533

Radix Representation

Decimal 479521
Binary 1110101000100100001 (19 bits)
Octal 0o1650441
Hexadecimal 0x75121

Divisor Catalog (5 of 8)

Collatz Trajectory (76 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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