λ
Sigma Notebook

764,921

19 × 127 × 317
Deficient Odd Composite

764,921 is odd and not a perfect square. Its factorization is 19 × 127 × 317 and its 8 divisors sum to 814,080.

Prime Factor Structure

Factorization String 19 × 127 × 317
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 814,080
Proper Divisor Sum 49,159
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #764903 ← → #764947

Radix Representation

Decimal 764921
Binary 10111010101111111001 (20 bits)
Octal 0o2725771
Hexadecimal 0xBABF9

Divisor Catalog (8)

1 19 127 317 2,413 6,023 40,259 764,921

Collatz Trajectory (224 steps to reach 1)

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

764,921 2,294,764 1,147,382 573,691 1,721,074 860,537 2,581,612 1,290,806 645,403 1,936,210 968,105 2,904,316 1,452,158 726,079 2,178,238 1,089,119 3,267,358 1,633,679 4,901,038 2,450,519 7,351,558 3,675,779 11,027,338 5,513,669 16,541,008 8,270,504 4,135,252 2,067,626 1,033,813 3,101,440 1,550,720 775,360 387,680 193,840 96,920 48,460 24,230 12,115 36,346 18,173 54,520 27,260 13,630 6,815 20,446 10,223 30,670 15,335 46,006 23,003 69,010 34,505 103,516 51,758 25,879 77,638 38,819 116,458 58,229 174,688

More profiles

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