661 × 3259

Prime Factor Structure

Factorization String 661 × 3259

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,158,120

Proper Divisor Sum 3,921

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2154193 ← → #2154209

1 661 3,259 2,154,199

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

2,154,199 6,462,598 3,231,299 9,693,898 4,846,949 14,540,848 7,270,424 3,635,212 1,817,606 908,803 2,726,410 1,363,205 4,089,616 2,044,808 1,022,404 511,202 255,601 766,804 383,402 191,701 575,104 287,552 143,776 71,888 35,944 17,972 8,986 4,493 13,480 6,740 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11

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