λ
Ratio Atlas
21,887
43 × 509
Deficient Odd Composite

Prime Factor Structure

Factorization String 43 × 509
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 22,440
Proper Divisor Sum 553
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #21881 ← → #21893

Radix Representation

Decimal 21887
Binary 101010101111111 (15 bits)
Octal 0o52577
Hexadecimal 0x557F

Divisor Catalog (4)

Collatz Trajectory (87 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 #21,886 Browse Full Index Next Integer #21,888 →