λ
Sequence Observatory

2,976,957

32 × 53 × 792
Deficient Odd Composite

Starting at 2,976,957, the Collatz iteration reaches 1 after 120 steps. The first transition is 8930872; the starting value is odd with 18 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 53 × 79^2
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 18
Divisor Sum (σ) 4,437,342
Proper Divisor Sum 1,460,385
Digit Sum / Digital Root 45 (Root: 9)
Adjacent Primes #2976931 ← → #2976971

Radix Representation

Decimal 2976957
Binary 1011010110110010111101 (22 bits)
Octal 0o13266275
Hexadecimal 0x2D6CBD

Divisor Catalog (5 of 18)

1 3 9 53 79

Collatz Trajectory (120 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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