λ
Sequence Observatory

8,542,243

8542243
Deficient Odd Prime

Starting at 8,542,243, the Collatz iteration reaches 1 after 243 steps. The first transition is 25626730; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 8542243
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,542,244
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #8542201 ← → #8542253

Radix Representation

Decimal 8542243
Binary 100000100101100000100011 (24 bits)
Octal 0o40454043
Hexadecimal 0x825823

Divisor Catalog (2)

Collatz Trajectory (243 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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