λ
Sigma Notebook

806,871

3 × 13 × 17 × 1217
Deficient Odd Composite

806,871 is odd and not a perfect square. Its factorization is 3 × 13 × 17 × 1217 and its 16 divisors sum to 1,227,744.

Prime Factor Structure

Factorization String 3 × 13 × 17 × 1217
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,227,744
Proper Divisor Sum 420,873
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #806857 ← → #806893

Radix Representation

Decimal 806871
Binary 11000100111111010111 (20 bits)
Octal 0o3047727
Hexadecimal 0xC4FD7

Divisor Catalog (16)

1 3 13 17 39 51 221 663 1,217 3,651 15,821 20,689 47,463 62,067 268,957 806,871

Collatz Trajectory (69 steps to reach 1)

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

806,871 2,420,614 1,210,307 3,630,922 1,815,461 5,446,384 2,723,192 1,361,596 680,798 340,399 1,021,198 510,599 1,531,798 765,899 2,297,698 1,148,849 3,446,548 1,723,274 861,637 2,584,912 1,292,456 646,228 323,114 161,557 484,672 242,336 121,168 60,584 30,292 15,146 7,573 22,720 11,360 5,680 2,840 1,420 710 355 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26

More profiles

← Previous Integer #806,870 Browse Full Index Next Integer #806,872 →