λ
Sigma Notebook

6,680,845

5 × 1336169
Deficient Odd Composite

6,680,845 is odd and not a perfect square. Its factorization is 5 × 1336169 and its 4 divisors sum to 8,017,020.

Prime Factor Structure

Factorization String 5 × 1336169
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,017,020
Proper Divisor Sum 1,336,175
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #6680797 ← → #6680851

Radix Representation

Decimal 6680845
Binary 11001011111000100001101 (23 bits)
Octal 0o31370415
Hexadecimal 0x65F10D

Divisor Catalog (4)

1 5 1,336,169 6,680,845

Collatz Trajectory (134 steps to reach 1)

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

6,680,845 20,042,536 10,021,268 5,010,634 2,505,317 7,515,952 3,757,976 1,878,988 939,494 469,747 1,409,242 704,621 2,113,864 1,056,932 528,466 264,233 792,700 396,350 198,175 594,526 297,263 891,790 445,895 1,337,686 668,843 2,006,530 1,003,265 3,009,796 1,504,898 752,449 2,257,348 1,128,674 564,337 1,693,012 846,506 423,253 1,269,760 634,880 317,440 158,720 79,360 39,680 19,840 9,920 4,960 2,480 1,240 620 310 155 466 233 700 350 175 526 263 790 395 1,186

More profiles

← Previous Integer #6,680,844 Browse Full Index Next Integer #6,680,846 →