λ
Sequence Observatory

2,759,962

2 × 1379981
Deficient Even Composite

Starting at 2,759,962, the Collatz iteration reaches 1 after 156 steps. The first transition is 1379981; the starting value is even with 4 positive divisors.

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Prime Factor Structure

Factorization String 2 × 1379981
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,139,946
Proper Divisor Sum 1,379,984
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #2759957 ← → #2759963

Radix Representation

Decimal 2759962
Binary 1010100001110100011010 (22 bits)
Octal 0o12416432
Hexadecimal 0x2A1D1A

Divisor Catalog (4)

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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