λ
Prime Ledger

781,058

2 × 149 × 2621
Deficient Even Composite

781,058 has the prime decomposition 2 × 149 × 2621. Its 3 distinct prime factors produce 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 149 × 2621
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,179,900
Proper Divisor Sum 398,842
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #781051 ← → #781063

Radix Representation

Decimal 781058
Binary 10111110101100000010 (20 bits)
Octal 0o2765402
Hexadecimal 0xBEB02

Divisor Catalog (8)

1 2 149 298 2,621 5,242 390,529 781,058

Collatz Trajectory (74 steps to reach 1)

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

781,058 390,529 1,171,588 585,794 292,897 878,692 439,346 219,673 659,020 329,510 164,755 494,266 247,133 741,400 370,700 185,350 92,675 278,026 139,013 417,040 208,520 104,260 52,130 26,065 78,196 39,098 19,549 58,648 29,324 14,662 7,331 21,994 10,997 32,992 16,496 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23

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