λ
Sigma Notebook

779,398

2 × 389699
Deficient Even Composite

779,398 is even and not a perfect square. Its factorization is 2 × 389699 and its 4 divisors sum to 1,169,100.

Prime Factor Structure

Factorization String 2 × 389699
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,169,100
Proper Divisor Sum 389,702
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #779377 ← → #779413

Radix Representation

Decimal 779398
Binary 10111110010010000110 (20 bits)
Octal 0o2762206
Hexadecimal 0xBE486

Divisor Catalog (4)

1 2 389,699 779,398

Collatz Trajectory (69 steps to reach 1)

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

779,398 389,699 1,169,098 584,549 1,753,648 876,824 438,412 219,206 109,603 328,810 164,405 493,216 246,608 123,304 61,652 30,826 15,413 46,240 23,120 11,560 5,780 2,890 1,445 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26

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