λ
Sequence Observatory

2,072,267

2072267
Deficient Odd Prime

Starting at 2,072,267, the Collatz iteration reaches 1 after 135 steps. The first transition is 6216802; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 2072267
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,072,268
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #2072209 ← → #2072293

Radix Representation

Decimal 2072267
Binary 111111001111011001011 (21 bits)
Octal 0o7717313
Hexadecimal 0x1F9ECB

Divisor Catalog (2)

Collatz Trajectory (135 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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