λ
Ratio Atlas

1,978,685

5 × 395737
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 395737
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,374,428
Proper Divisor Sum 395,743
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #1978673 ← → #1978687

Radix Representation

Decimal 1978685
Binary 111100011000100111101 (21 bits)
Octal 0o7430475
Hexadecimal 0x1E313D

Divisor Catalog (4)

Collatz Trajectory (197 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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