λ
Ratio Atlas
21,819
3 × 7 × 1039
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 7 × 1039
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 33,280
Proper Divisor Sum 11,461
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #21817 ← → #21821

Radix Representation

Decimal 21819
Binary 101010100111011 (15 bits)
Octal 0o52473
Hexadecimal 0x553B

Divisor Catalog (8)

Collatz Trajectory (56 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 #21,818 Browse Full Index Next Integer #21,820 →