λ
Sequence Observatory

272,539

272539
Deficient Odd Prime

Starting at 272,539, the Collatz iteration reaches 1 after 119 steps. The first transition is 817618; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 272539
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 272,540
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #272537 ← → #272549

Radix Representation

Decimal 272539
Binary 1000010100010011011 (19 bits)
Octal 0o1024233
Hexadecimal 0x4289B

Divisor Catalog (2)

Collatz Trajectory (119 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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