λ
Sequence Observatory

7,598,138

2 × 19 × 59 × 3389
Deficient Even Composite

Starting at 7,598,138, the Collatz iteration reaches 1 after 85 steps. The first transition is 3799069; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2 × 19 × 59 × 3389
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 12,204,000
Proper Divisor Sum 4,605,862
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #7598117 ← → #7598159

Radix Representation

Decimal 7598138
Binary 11100111111000000111010 (23 bits)
Octal 0o34770072
Hexadecimal 0x73F03A

Divisor Catalog (5 of 16)

1 2 19 38 59

Collatz Trajectory (85 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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