3 × 7 × 12721

Prime Factor Structure

Factorization String 3 × 7 × 12721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 407,104

Proper Divisor Sum 139,963

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #267139 ← → #267143

1 3 7 21 12,721 38,163 89,047 267,141

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

267,141 801,424 400,712 200,356 100,178 50,089 150,268 75,134 37,567 112,702 56,351 169,054 84,527 253,582 126,791 380,374 190,187 570,562 285,281 855,844 427,922 213,961 641,884 320,942 160,471 481,414 240,707 722,122 361,061 1,083,184 541,592 270,796 135,398 67,699 203,098 101,549 304,648 152,324 76,162 38,081 114,244 57,122 28,561 85,684 42,842 21,421 64,264 32,132 16,066 8,033 24,100 12,050 6,025 18,076 9,038 4,519 13,558 6,779 20,338 10,169

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