λ
Ratio Atlas

12,964,385

5 × 7 × 370411
Deficient Odd Composite

12,964,385 factors as 5 × 7 × 370411. Its 8 positive divisors give a proper-divisor sum of 4,815,391, so this integer is deficient. The Collatz stopping time is 210 steps.

Prime Factor Structure

Factorization String 5 × 7 × 370411
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 17,779,776
Proper Divisor Sum 4,815,391
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #12964381 ← → #12964397

Radix Representation

Decimal 12964385
Binary 110001011101001000100001 (24 bits)
Octal 0o61351041
Hexadecimal 0xC5D221

Divisor Catalog (8)

Collatz Trajectory (210 steps to reach 1)

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

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