3 × 13 × 61 × 67

Prime Factor Structure

Factorization String 3 × 13 × 61 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 236,096

Proper Divisor Sum 76,703

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #159389 ← → #159403

1 3 13 39 61 67 183 201 793 871 2,379 2,613 4,087 12,261 53,131 159,393

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

159,393 478,180 239,090 119,545 358,636 179,318 89,659 268,978 134,489 403,468 201,734 100,867 302,602 151,301 453,904 226,952 113,476 56,738 28,369 85,108 42,554 21,277 63,832 31,916 15,958 7,979 23,938 11,969 35,908 17,954 8,977 26,932 13,466 6,733 20,200 10,100 5,050 2,525 7,576 3,788 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29

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