3 × 151² × 317

Prime Factor Structure

Factorization String 3 × 151^2 × 317

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 29,196,216

Proper Divisor Sum 7,512,465

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21683749 ← → #21683759

1 3 151 317 453 951 22,801 47,867 68,403 143,601 7,227,917 21,683,751

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

21,683,751 65,051,254 32,525,627 97,576,882 48,788,441 146,365,324 73,182,662 36,591,331 109,773,994 54,886,997 164,660,992 82,330,496 41,165,248 20,582,624 10,291,312 5,145,656 2,572,828 1,286,414 643,207 1,929,622 964,811 2,894,434 1,447,217 4,341,652 2,170,826 1,085,413 3,256,240 1,628,120 814,060 407,030 203,515 610,546 305,273 915,820 457,910 228,955 686,866 343,433 1,030,300 515,150 257,575 772,726 386,363 1,159,090 579,545 1,738,636 869,318 434,659 1,303,978 651,989 1,955,968 977,984 488,992 244,496 122,248 61,124 30,562 15,281 45,844 22,922

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