λ
Modular Archive
1,820
22 × 5 × 7 × 13
Abundant Even Composite

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 13
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,704
Proper Divisor Sum 2,884
Digit Sum / Digital Root 11 (Root: 2)
Adjacent Primes #1811 ← → #1823

Radix Representation

Decimal 1820
Binary 11100011100 (11 bits)
Octal 0o3434
Hexadecimal 0x71C

Divisor Catalog (24)

Collatz Trajectory (42 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 #1,819 Browse Full Index Next Integer #1,821 →