7 × 19 × 61 × 137

Prime Factor Structure

Factorization String 7 × 19 × 61 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,368,960

Proper Divisor Sum 257,479

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1111457 ← → #1111489

1 7 19 61 133 137 427 959 1,159 2,603 8,113 8,357 18,221 58,499 158,783 1,111,481

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

1,111,481 3,334,444 1,667,222 833,611 2,500,834 1,250,417 3,751,252 1,875,626 937,813 2,813,440 1,406,720 703,360 351,680 175,840 87,920 43,960 21,980 10,990 5,495 16,486 8,243 24,730 12,365 37,096 18,548 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197

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