2³ × 13 × 211 × 947

Prime Factor Structure

Factorization String 2^3 × 13 × 211 × 947

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 42,204,960

Proper Divisor Sum 21,423,992

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #20780957 ← → #20780999

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

20,780,968 10,390,484 5,195,242 2,597,621 7,792,864 3,896,432 1,948,216 974,108 487,054 243,527 730,582 365,291 1,095,874 547,937 1,643,812 821,906 410,953 1,232,860 616,430 308,215 924,646 462,323 1,386,970 693,485 2,080,456 1,040,228 520,114 260,057 780,172 390,086 195,043 585,130 292,565 877,696 438,848 219,424 109,712 54,856 27,428 13,714 6,857 20,572 10,286 5,143 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611

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