1,624,005

3² × 5 × 151 × 239

Prime Factor Structure

Factorization String 3^2 × 5 × 151 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 2,845,440

Proper Divisor Sum 1,221,435

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #1623989 ← → #1624009

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

1,624,005 4,872,016 2,436,008 1,218,004 609,002 304,501 913,504 456,752 228,376 114,188 57,094 28,547 85,642 42,821 128,464 64,232 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034 4,517 13,552 6,776 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682 341 1,024 512 256 128 64 32 16 8

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