13 × 19 × 139²

Prime Factor Structure

Factorization String 13 × 19 × 139^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 5,449,080

Proper Divisor Sum 676,793

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #4772281 ← → #4772309

1 13 19 139 247 1,807 2,641 19,321 34,333 251,173 367,099 4,772,287

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

4,772,287 14,316,862 7,158,431 21,475,294 10,737,647 32,212,942 16,106,471 48,319,414 24,159,707 72,479,122 36,239,561 108,718,684 54,359,342 27,179,671 81,539,014 40,769,507 122,308,522 61,154,261 183,462,784 91,731,392 45,865,696 22,932,848 11,466,424 5,733,212 2,866,606 1,433,303 4,299,910 2,149,955 6,449,866 3,224,933 9,674,800 4,837,400 2,418,700 1,209,350 604,675 1,814,026 907,013 2,721,040 1,360,520 680,260 340,130 170,065 510,196 255,098 127,549 382,648 191,324 95,662 47,831 143,494 71,747 215,242 107,621 322,864 161,432 80,716 40,358 20,179 60,538 30,269

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