λ
Sequence Observatory

7,818,493

1153 × 6781
Deficient Odd Composite

Starting at 7,818,493, the Collatz iteration reaches 1 after 204 steps. The first transition is 23455480; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 1153 × 6781
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,826,428
Proper Divisor Sum 7,935
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #7818469 ← → #7818563

Radix Representation

Decimal 7818493
Binary 11101110100110011111101 (23 bits)
Octal 0o35646375
Hexadecimal 0x774CFD

Divisor Catalog (4)

1 1,153 6,781 7,818,493

Collatz Trajectory (204 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.

7,818,493 23,455,480 11,727,740 5,863,870 2,931,935

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