1,321,925

5² × 11² × 19 × 23

Prime Factor Structure

Factorization String 5^2 × 11^2 × 19 × 23

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 36

Divisor Sum (σ) 1,979,040

Proper Divisor Sum 657,115

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #1321919 ← → #1321927

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

1,321,925 3,965,776 1,982,888 991,444 495,722 247,861 743,584 371,792 185,896 92,948 46,474 23,237 69,712 34,856 17,428 8,714 4,357 13,072 6,536 3,268 1,634 817 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

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