3 × 7 × 13 × 1553

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1553

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 696,192

Proper Divisor Sum 272,223

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #423961 ← → #423977

1 3 7 13 21 39 91 273 1,553 4,659 10,871 20,189 32,613 60,567 141,323 423,969

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

423,969 1,271,908 635,954 317,977 953,932 476,966 238,483 715,450 357,725 1,073,176 536,588 268,294 134,147 402,442 201,221 603,664 301,832 150,916 75,458 37,729 113,188 56,594 28,297 84,892 42,446 21,223 63,670 31,835 95,506 47,753 143,260 71,630 35,815 107,446 53,723 161,170 80,585 241,756 120,878 60,439 181,318 90,659 271,978 135,989 407,968 203,984 101,992 50,996 25,498 12,749 38,248 19,124 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690

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