5 × 31 × 1997

Prime Factor Structure

Factorization String 5 × 31 × 1997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 383,616

Proper Divisor Sum 74,081

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #309523 ← → #309539

1 5 31 155 1,997 9,985 61,907 309,535

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

309,535 928,606 464,303 1,392,910 696,455 2,089,366 1,044,683 3,134,050 1,567,025 4,701,076 2,350,538 1,175,269 3,525,808 1,762,904 881,452 440,726 220,363 661,090 330,545 991,636 495,818 247,909 743,728 371,864 185,932 92,966 46,483 139,450 69,725 209,176 104,588 52,294 26,147 78,442 39,221 117,664 58,832 29,416 14,708 7,354 3,677 11,032 5,516 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55

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