λ
Sequence Observatory

8,354,290

2 × 5 × 7 × 23 × 5189
Abundant Even Composite

Starting at 8,354,290, the Collatz iteration reaches 1 after 181 steps. The first transition is 4177145; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 7 × 23 × 5189
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 17,936,640
Proper Divisor Sum 9,582,350
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #8354287 ← → #8354303

Radix Representation

Decimal 8354290
Binary 11111110111100111110010 (23 bits)
Octal 0o37674762
Hexadecimal 0x7F79F2

Divisor Catalog (32)

1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1,610 5,189 10,378 25,945 36,323 51,890 72,646 119,347 181,615 238,694 363,230 596,735 835,429 1,193,470 1,670,858 4,177,145 8,354,290

Collatz Trajectory (181 steps to reach 1)

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

8,354,290 4,177,145 12,531,436 6,265,718 3,132,859 9,398,578 4,699,289 14,097,868 7,048,934 3,524,467 10,573,402 5,286,701 15,860,104 7,930,052 3,965,026 1,982,513 5,947,540 2,973,770 1,486,885 4,460,656 2,230,328 1,115,164 557,582 278,791 836,374 418,187 1,254,562 627,281 1,881,844 940,922 470,461 1,411,384 705,692 352,846 176,423 529,270 264,635 793,906 396,953 1,190,860 595,430 297,715 893,146 446,573 1,339,720 669,860 334,930 167,465 502,396 251,198 125,599 376,798 188,399 565,198 282,599 847,798 423,899 1,271,698 635,849 1,907,548

More profiles

← Previous Integer #8,354,289 Browse Full Index Next Integer #8,354,291 →