7 × 11 × 31 × 61

Prime Factor Structure

Factorization String 7 × 11 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 190,464

Proper Divisor Sum 44,857

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #145603 ← → #145633

1 7 11 31 61 77 217 341 427 671 1,891 2,387 4,697 13,237 20,801 145,607

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

145,607 436,822 218,411 655,234 327,617 982,852 491,426 245,713 737,140 368,570 184,285 552,856 276,428 138,214 69,107 207,322 103,661 310,984 155,492 77,746 38,873 116,620 58,310 29,155 87,466 43,733 131,200 65,600 32,800 16,400 8,200 4,100 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160

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