λ
Ratio Atlas
215,405
5 × 67 × 643
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 67 × 643
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 262,752
Proper Divisor Sum 47,347
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #215399 ← → #215417

Radix Representation

Decimal 215405
Binary 110100100101101101 (18 bits)
Octal 0o644555
Hexadecimal 0x3496D

Divisor Catalog (8)

Collatz Trajectory (155 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 #215,404 Browse Full Index Next Integer #215,406 →