λ
Ratio Atlas

1,681,264

24 × 13 × 59 × 137
Abundant Even Composite

1,681,264 factors as 2^4 × 13 × 59 × 137. Its 40 positive divisors give a proper-divisor sum of 1,912,256, so this integer is abundant. The Collatz stopping time is 83 steps.

Prime Factor Structure

Factorization String 2^4 × 13 × 59 × 137
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 40
Divisor Sum (σ) 3,593,520
Proper Divisor Sum 1,912,256
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1681261 ← → #1681271

Radix Representation

Decimal 1681264
Binary 110011010011101110000 (21 bits)
Octal 0o6323560
Hexadecimal 0x19A770

Divisor Catalog (40)

Collatz Trajectory (83 steps to reach 1)

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

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