2 × 7 × 139 × 263

Prime Factor Structure

Factorization String 2 × 7 × 139 × 263

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 887,040

Proper Divisor Sum 375,242

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #511793 ← → #511801

1 2 7 14 139 263 278 526 973 1,841 1,946 3,682 36,557 73,114 255,899 511,798

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

511,798 255,899 767,698 383,849 1,151,548 575,774 287,887 863,662 431,831 1,295,494 647,747 1,943,242 971,621 2,914,864 1,457,432 728,716 364,358 182,179 546,538 273,269 819,808 409,904 204,952 102,476 51,238 25,619 76,858 38,429 115,288 57,644 28,822 14,411 43,234 21,617 64,852 32,426 16,213 48,640 24,320 12,160 6,080 3,040 1,520 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91

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