5 × 71 × 127 × 397

Prime Factor Structure

Factorization String 5 × 71 × 127 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 22,007,808

Proper Divisor Sum 4,109,063

Digit Sum / Digital Root 49 (Root: 4)

Adjacent Primes #17898733 ← → #17898757

1 5 71 127 355 397 635 1,985 9,017 28,187 45,085 50,419 140,935 252,095 3,579,749 17,898,745

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

17,898,745 53,696,236 26,848,118 13,424,059 40,272,178 20,136,089 60,408,268 30,204,134 15,102,067 45,306,202 22,653,101 67,959,304 33,979,652 16,989,826 8,494,913 25,484,740 12,742,370 6,371,185 19,113,556 9,556,778 4,778,389 14,335,168 7,167,584 3,583,792 1,791,896 895,948 447,974 223,987 671,962 335,981 1,007,944 503,972 251,986 125,993 377,980 188,990 94,495 283,486 141,743 425,230 212,615 637,846 318,923 956,770 478,385 1,435,156 717,578 358,789 1,076,368 538,184 269,092 134,546 67,273 201,820 100,910 50,455 151,366 75,683 227,050 113,525

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