157 × 19891

Prime Factor Structure

Factorization String 157 × 19891

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,142,936

Proper Divisor Sum 20,049

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #3122881 ← → #3122893

1 157 19,891 3,122,887

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

3,122,887 9,368,662 4,684,331 14,052,994 7,026,497 21,079,492 10,539,746 5,269,873 15,809,620 7,904,810 3,952,405 11,857,216 5,928,608 2,964,304 1,482,152 741,076 370,538 185,269 555,808 277,904 138,952 69,476 34,738 17,369 52,108 26,054 13,027 39,082 19,541 58,624 29,312 14,656 7,328 3,664 1,832 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17

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