2 × 5² × 37 × 139

Prime Factor Structure

Factorization String 2 × 5^2 × 37 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 494,760

Proper Divisor Sum 237,610

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #257141 ← → #257161

1 2 5 10 25 37 50 74 139 185 278 370 695 925 1,390 1,850 3,475 5,143 6,950 10,286 25,715 51,430 128,575 257,150

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

257,150 128,575 385,726 192,863 578,590 289,295 867,886 433,943 1,301,830 650,915 1,952,746 976,373 2,929,120 1,464,560 732,280 366,140 183,070 91,535 274,606 137,303 411,910 205,955 617,866 308,933 926,800 463,400 231,700 115,850 57,925 173,776 86,888 43,444 21,722 10,861 32,584 16,292 8,146 4,073 12,220 6,110 3,055 9,166 4,583 13,750 6,875 20,626 10,313 30,940 15,470 7,735 23,206 11,603 34,810 17,405 52,216 26,108 13,054 6,527 19,582 9,791

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