λ
Ratio Atlas

39,993,100

22 × 52 × 7 × 19 × 31 × 97
Abundant Even Composite

39,993,100 factors as 2^2 × 5^2 × 7 × 19 × 31 × 97. Its 144 positive divisors give a proper-divisor sum of 68,888,820, so this integer is abundant. The Collatz stopping time is 191 steps.

Prime Factor Structure

Factorization String 2^2 × 5^2 × 7 × 19 × 31 × 97
Distinct Prime Factors 6
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 144
Divisor Sum (σ) 108,881,920
Proper Divisor Sum 68,888,820
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #39993097 ← → #39993101

Radix Representation

Decimal 39993100
Binary 10011000100011111100001100 (26 bits)
Octal 0o230437414
Hexadecimal 0x2623F0C

Divisor Catalog (60 of 144)

Collatz Trajectory (191 steps to reach 1)

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

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