5 × 31 × 157 × 827

Prime Factor Structure

Factorization String 5 × 31 × 157 × 827

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 25,118,208

Proper Divisor Sum 4,993,163

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #20125037 ← → #20125051

1 5 31 155 157 785 827 4,135 4,867 24,335 25,637 128,185 129,839 649,195 4,025,009 20,125,045

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

20,125,045 60,375,136 30,187,568 15,093,784 7,546,892 3,773,446 1,886,723 5,660,170 2,830,085 8,490,256 4,245,128 2,122,564 1,061,282 530,641 1,591,924 795,962 397,981 1,193,944 596,972 298,486 149,243 447,730 223,865 671,596 335,798 167,899 503,698 251,849 755,548 377,774 188,887 566,662 283,331 849,994 424,997 1,274,992 637,496 318,748 159,374 79,687 239,062 119,531 358,594 179,297 537,892 268,946 134,473 403,420 201,710 100,855 302,566 151,283 453,850 226,925 680,776 340,388 170,194 85,097 255,292 127,646

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