6,561,404

2² × 61 × 26891

Prime Factor Structure

Factorization String 2^2 × 61 × 26891

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 11,671,128

Proper Divisor Sum 5,109,724

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #6561383 ← → #6561427

1 2 4 61 122 244 26,891 53,782 107,564 1,640,351 3,280,702 6,561,404

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

6,561,404 3,280,702 1,640,351 4,921,054 2,460,527 7,381,582 3,690,791 11,072,374 5,536,187 16,608,562 8,304,281 24,912,844 12,456,422 6,228,211 18,684,634 9,342,317 28,026,952 14,013,476 7,006,738 3,503,369 10,510,108 5,255,054 2,627,527 7,882,582 3,941,291 11,823,874 5,911,937 17,735,812 8,867,906 4,433,953 13,301,860 6,650,930 3,325,465 9,976,396 4,988,198 2,494,099 7,482,298 3,741,149 11,223,448 5,611,724 2,805,862 1,402,931 4,208,794 2,104,397 6,313,192 3,156,596 1,578,298 789,149 2,367,448 1,183,724 591,862 295,931 887,794 443,897 1,331,692 665,846 332,923 998,770 499,385 1,498,156

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