646,704

2⁴ × 3⁴ × 499

Prime Factor Structure

Factorization String 2^4 × 3^4 × 499

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 50

Divisor Sum (σ) 1,875,500

Proper Divisor Sum 1,228,796

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #646687 ← → #646721

1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 499 648 998 1,296 1,497 1,996 2,994 3,992 4,491 5,988 7,984 8,982 11,976 13,473 17,964 23,952 26,946 35,928 40,419 53,892 71,856 80,838 107,784 161,676 215,568 323,352 646,704

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

646,704 323,352 161,676 80,838 40,419 121,258 60,629 181,888 90,944 45,472 22,736 11,368 5,684 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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