3 × 7 × 11 × 53 × 67

Prime Factor Structure

Factorization String 3 × 7 × 11 × 53 × 67

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,410,048

Proper Divisor Sum 589,767

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #820279 ← → #820319

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

820,281 2,460,844 1,230,422 615,211 1,845,634 922,817 2,768,452 1,384,226 692,113 2,076,340 1,038,170 519,085 1,557,256 778,628 389,314 194,657 583,972 291,986 145,993 437,980 218,990 109,495 328,486 164,243 492,730 246,365 739,096 369,548 184,774 92,387 277,162 138,581 415,744 207,872 103,936 51,968 25,984 12,992 6,496 3,248 1,624 812 406 203 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49 148

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