λ
Ratio Atlas

1,997,140

22 × 5 × 61 × 1637
Abundant Even Composite

Prime Factor Structure

Factorization String 2^2 × 5 × 61 × 1637
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,265,352
Proper Divisor Sum 2,268,212
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #1997137 ← → #1997141

Radix Representation

Decimal 1997140
Binary 111100111100101010100 (21 bits)
Octal 0o7474524
Hexadecimal 0x1E7954

Divisor Catalog (24)

Collatz Trajectory (153 steps to reach 1)

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

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