λ
Ratio Atlas
15,661,389
3 × 5220463
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 5220463
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 20,881,856
Proper Divisor Sum 5,220,467
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #15661381 ← → #15661391

Radix Representation

Decimal 15661389
Binary 111011101111100101001101 (24 bits)
Octal 0o73574515
Hexadecimal 0xEEF94D

Divisor Catalog (4)

Collatz Trajectory (143 steps to reach 1)

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

Active Feeder Network

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.

← Previous Integer #15,661,388 Browse Full Index Next Integer #15,661,390 →