139 × 1721

Prime Factor Structure

Factorization String 139 × 1721

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 241,080

Proper Divisor Sum 1,861

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #239201 ← → #239231

1 139 1,721 239,219

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

239,219 717,658 358,829 1,076,488 538,244 269,122 134,561 403,684 201,842 100,921 302,764 151,382 75,691 227,074 113,537 340,612 170,306 85,153 255,460 127,730 63,865 191,596 95,798 47,899 143,698 71,849 215,548 107,774 53,887 161,662 80,831 242,494 121,247 363,742 181,871 545,614 272,807 818,422 409,211 1,227,634 613,817 1,841,452 920,726 460,363 1,381,090 690,545 2,071,636 1,035,818 517,909 1,553,728 776,864 388,432 194,216 97,108 48,554 24,277 72,832 36,416 18,208 9,104

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