31 × 139 × 1987

Prime Factor Structure

Factorization String 31 × 139 × 1987

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 8,906,240

Proper Divisor Sum 344,257

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #8561963 ← → #8562023

1 31 139 1,987 4,309 61,597 276,193 8,561,983

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

8,561,983 25,685,950 12,842,975 38,528,926 19,264,463 57,793,390 28,896,695 86,690,086 43,345,043 130,035,130 65,017,565 195,052,696 97,526,348 48,763,174 24,381,587 73,144,762 36,572,381 109,717,144 54,858,572 27,429,286 13,714,643 41,143,930 20,571,965 61,715,896 30,857,948 15,428,974 7,714,487 23,143,462 11,571,731 34,715,194 17,357,597 52,072,792 26,036,396 13,018,198 6,509,099 19,527,298 9,763,649 29,290,948 14,645,474 7,322,737 21,968,212 10,984,106 5,492,053 16,476,160 8,238,080 4,119,040 2,059,520 1,029,760 514,880 257,440 128,720 64,360 32,180 16,090 8,045 24,136 12,068 6,034 3,017 9,052

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