11 × 19 × 37 × 211

Prime Factor Structure

Factorization String 11 × 19 × 37 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,933,440

Proper Divisor Sum 301,777

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1631659 ← → #1631683

1 11 19 37 209 211 407 703 2,321 4,009 7,733 7,807 44,099 85,877 148,333 1,631,663

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

1,631,663 4,894,990 2,447,495 7,342,486 3,671,243 11,013,730 5,506,865 16,520,596 8,260,298 4,130,149 12,390,448 6,195,224 3,097,612 1,548,806 774,403 2,323,210 1,161,605 3,484,816 1,742,408 871,204 435,602 217,801 653,404 326,702 163,351 490,054 245,027 735,082 367,541 1,102,624 551,312 275,656 137,828 68,914 34,457 103,372 51,686 25,843 77,530 38,765 116,296 58,148 29,074 14,537 43,612 21,806 10,903 32,710 16,355 49,066 24,533 73,600 36,800 18,400 9,200 4,600 2,300 1,150 575 1,726

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