λ
Sequence Observatory

8,248,642

2 × 4124321
Deficient Even Composite

Starting at 8,248,642, the Collatz iteration reaches 1 after 93 steps. The first transition is 4124321; the starting value is even with 4 positive divisors.

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Prime Factor Structure

Factorization String 2 × 4124321
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 12,372,966
Proper Divisor Sum 4,124,324
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8248637 ← → #8248649

Radix Representation

Decimal 8248642
Binary 11111011101110101000010 (23 bits)
Octal 0o37356502
Hexadecimal 0x7DDD42

Divisor Catalog (4)

1 2 4,124,321 8,248,642

Collatz Trajectory (93 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.

8,248,642 4,124,321 12,372,964 6,186,482 3,093,241

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