λ
Sequence Observatory

2,508,764

22 × 627191
Deficient Even Composite

Starting at 2,508,764, the Collatz iteration reaches 1 after 174 steps. The first transition is 1254382; the starting value is even with 6 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 627191
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 4,390,344
Proper Divisor Sum 1,881,580
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2508763 ← → #2508769

Radix Representation

Decimal 2508764
Binary 1001100100011111011100 (22 bits)
Octal 0o11443734
Hexadecimal 0x2647DC

Divisor Catalog (5 of 6)

Collatz Trajectory (174 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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