7 × 23 × 31 × 139

Prime Factor Structure

Factorization String 7 × 23 × 31 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 860,160

Proper Divisor Sum 166,411

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #693743 ← → #693757

1 7 23 31 139 161 217 713 973 3,197 4,309 4,991 22,379 30,163 99,107 693,749

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

693,749 2,081,248 1,040,624 520,312 260,156 130,078 65,039 195,118 97,559 292,678 146,339 439,018 219,509 658,528 329,264 164,632 82,316 41,158 20,579 61,738 30,869 92,608 46,304 23,152 11,576 5,788 2,894 1,447 4,342 2,171 6,514 3,257 9,772 4,886 2,443 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736

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