λ
Ratio Atlas

1,661,637

3 × 673 × 823
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 673 × 823
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,221,504
Proper Divisor Sum 559,867
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #1661629 ← → #1661641

Radix Representation

Decimal 1661637
Binary 110010101101011000101 (21 bits)
Octal 0o6255305
Hexadecimal 0x195AC5

Divisor Catalog (8)

Collatz Trajectory (57 steps to reach 1)

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

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