3 × 7³ × 11 × 1867

Prime Factor Structure

Factorization String 3 × 7^3 × 11 × 1867

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 35,865,600

Proper Divisor Sum 14,733,027

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #21132571 ← → #21132599

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

21,132,573 63,397,720 31,698,860 15,849,430 7,924,715 23,774,146 11,887,073 35,661,220 17,830,610 8,915,305 26,745,916 13,372,958 6,686,479 20,059,438 10,029,719 30,089,158 15,044,579 45,133,738 22,566,869 67,700,608 33,850,304 16,925,152 8,462,576 4,231,288 2,115,644 1,057,822 528,911 1,586,734 793,367 2,380,102 1,190,051 3,570,154 1,785,077 5,355,232 2,677,616 1,338,808 669,404 334,702 167,351 502,054 251,027 753,082 376,541 1,129,624 564,812 282,406 141,203 423,610 211,805 635,416 317,708 158,854 79,427 238,282 119,141 357,424 178,712 89,356 44,678 22,339

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