7 × 13 × 37 × 487

Prime Factor Structure

Factorization String 7 × 13 × 37 × 487

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,076,928

Proper Divisor Sum 437,199

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1639723 ← → #1639733

1 7 13 37 91 259 481 487 3,367 3,409 6,331 18,019 44,317 126,133 234,247 1,639,729

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

1,639,729 4,919,188 2,459,594 1,229,797 3,689,392 1,844,696 922,348 461,174 230,587 691,762 345,881 1,037,644 518,822 259,411 778,234 389,117 1,167,352 583,676 291,838 145,919 437,758 218,879 656,638 328,319 984,958 492,479 1,477,438 738,719 2,216,158 1,108,079 3,324,238 1,662,119 4,986,358 2,493,179 7,479,538 3,739,769 11,219,308 5,609,654 2,804,827 8,414,482 4,207,241 12,621,724 6,310,862 3,155,431 9,466,294 4,733,147 14,199,442 7,099,721 21,299,164 10,649,582 5,324,791 15,974,374 7,987,187 23,961,562 11,980,781 35,942,344 17,971,172 8,985,586 4,492,793 13,478,380

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