6,401,425

5² × 256057

Prime Factor Structure

Factorization String 5^2 × 256057

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 6

Divisor Sum (σ) 7,937,798

Proper Divisor Sum 1,536,373

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #6401419 ← → #6401459

1 5 25 256,057 1,280,285 6,401,425

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

6,401,425 19,204,276 9,602,138 4,801,069 14,403,208 7,201,604 3,600,802 1,800,401 5,401,204 2,700,602 1,350,301 4,050,904 2,025,452 1,012,726 506,363 1,519,090 759,545 2,278,636 1,139,318 569,659 1,708,978 854,489 2,563,468 1,281,734 640,867 1,922,602 961,301 2,883,904 1,441,952 720,976 360,488 180,244 90,122 45,061 135,184 67,592 33,796 16,898 8,449 25,348 12,674 6,337 19,012 9,506 4,753 14,260 7,130 3,565 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129

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