λ
Sequence Observatory

2,740,926

2 × 3 × 456821
Abundant Even Composite

Starting at 2,740,926, the Collatz iteration reaches 1 after 156 steps. The first transition is 1370463; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3 × 456821
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,481,864
Proper Divisor Sum 2,740,938
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #2740919 ← → #2740937

Radix Representation

Decimal 2740926
Binary 1010011101001010111110 (22 bits)
Octal 0o12351276
Hexadecimal 0x29D2BE

Divisor Catalog (5 of 8)

Collatz Trajectory (156 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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