λ
Sequence Observatory

1,979,000

23 × 53 × 1979
Abundant Even Composite

Starting at 1,979,000, the Collatz iteration reaches 1 after 184 steps. The first transition is 989500; the starting value is even with 32 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 5^3 × 1979
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 4,633,200
Proper Divisor Sum 2,654,200
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1978997 ← → #1979039

Radix Representation

Decimal 1979000
Binary 111100011001001111000 (21 bits)
Octal 0o7431170
Hexadecimal 0x1E3278

Divisor Catalog (5 of 32)

1 2 4 5 8

Collatz Trajectory (184 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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