5 × 31 × 41 × 643

Prime Factor Structure

Factorization String 5 × 31 × 41 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,193,216

Proper Divisor Sum 1,106,951

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #4086253 ← → #4086287

1 5 31 41 155 205 643 1,271 3,215 6,355 19,933 26,363 99,665 131,815 817,253 4,086,265

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

4,086,265 12,258,796 6,129,398 3,064,699 9,194,098 4,597,049 13,791,148 6,895,574 3,447,787 10,343,362 5,171,681 15,515,044 7,757,522 3,878,761 11,636,284 5,818,142 2,909,071 8,727,214 4,363,607 13,090,822 6,545,411 19,636,234 9,818,117 29,454,352 14,727,176 7,363,588 3,681,794 1,840,897 5,522,692 2,761,346 1,380,673 4,142,020 2,071,010 1,035,505 3,106,516 1,553,258 776,629 2,329,888 1,164,944 582,472 291,236 145,618 72,809 218,428 109,214 54,607 163,822 81,911 245,734 122,867 368,602 184,301 552,904 276,452 138,226 69,113 207,340 103,670 51,835 155,506

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