2 × 5² × 71 × 191

Prime Factor Structure

Factorization String 2 × 5^2 × 71 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,285,632

Proper Divisor Sum 607,582

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #678047 ← → #678061

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

678,050 339,025 1,017,076 508,538 254,269 762,808 381,404 190,702 95,351 286,054 143,027 429,082 214,541 643,624 321,812 160,906 80,453 241,360 120,680 60,340 30,170 15,085 45,256 22,628 11,314 5,657 16,972 8,486 4,243 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306

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