λ
Ratio Atlas

12,142,397

12142397
Deficient Odd Prime

12,142,397 factors as 12142397. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 12142397
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 12,142,398
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #12142393 ← → #12142399

Radix Representation

Decimal 12142397
Binary 101110010100011100111101 (24 bits)
Octal 0o56243475
Hexadecimal 0xB9473D

Divisor Catalog (2)

Collatz Trajectory (135 steps to reach 1)

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

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