7 × 20921

Prime Factor Structure

Factorization String 7 × 20921

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 167,376

Proper Divisor Sum 20,929

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #146437 ← → #146449

1 7 20,921 146,447

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

146,447 439,342 219,671 659,014 329,507 988,522 494,261 1,482,784 741,392 370,696 185,348 92,674 46,337 139,012 69,506 34,753 104,260 52,130 26,065 78,196 39,098 19,549 58,648 29,324 14,662 7,331 21,994 10,997 32,992 16,496 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160

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