1,780,366

2 × 7² × 37 × 491

Prime Factor Structure

Factorization String 2 × 7^2 × 37 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,197,016

Proper Divisor Sum 1,416,650

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1780351 ← → #1780367

Radix Representation

Decimal	1780366
Binary	110110010101010001110 (21 bits)
Octal	0o6625216
Hexadecimal	0x1B2A8E

Divisor Catalog (24)

Collatz Trajectory (264 steps to reach 1)

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

1,780,366 890,183 2,670,550 1,335,275 4,005,826 2,002,913 6,008,740 3,004,370 1,502,185 4,506,556 2,253,278 1,126,639 3,379,918 1,689,959 5,069,878 2,534,939 7,604,818 3,802,409 11,407,228 5,703,614 2,851,807 8,555,422 4,277,711 12,833,134 6,416,567 19,249,702 9,624,851 28,874,554 14,437,277 43,311,832 21,655,916 10,827,958 5,413,979 16,241,938 8,120,969 24,362,908 12,181,454 6,090,727 18,272,182 9,136,091 27,408,274 13,704,137 41,112,412 20,556,206 10,278,103 30,834,310 15,417,155 46,251,466 23,125,733 69,377,200 34,688,600 17,344,300 8,672,150 4,336,075 13,008,226 6,504,113 19,512,340 9,756,170 4,878,085 14,634,256

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