λ
Sequence Observatory

7,065,601

7065601
Deficient Odd Prime

Starting at 7,065,601, the Collatz iteration reaches 1 after 222 steps. The first transition is 21196804; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 7065601
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 7,065,602
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #7065581 ← → #7065607

Radix Representation

Decimal 7065601
Binary 11010111101000000000001 (23 bits)
Octal 0o32750001
Hexadecimal 0x6BD001

Divisor Catalog (2)

Collatz Trajectory (222 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.

7,065,601 21,196,804 10,598,402 5,299,201 15,897,604

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