7 × 19 × 89 × 647

Prime Factor Structure

Factorization String 7 × 19 × 89 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,331,200

Proper Divisor Sum 1,672,661

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #7658531 ← → #7658579

1 7 19 89 133 623 647 1,691 4,529 11,837 12,293 57,583 86,051 403,081 1,094,077 7,658,539

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

7,658,539 22,975,618 11,487,809 34,463,428 17,231,714 8,615,857 25,847,572 12,923,786 6,461,893 19,385,680 9,692,840 4,846,420 2,423,210 1,211,605 3,634,816 1,817,408 908,704 454,352 227,176 113,588 56,794 28,397 85,192 42,596 21,298 10,649 31,948 15,974 7,987 23,962 11,981 35,944 17,972 8,986 4,493 13,480 6,740 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76 38

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