λ
Sequence Observatory

587,321

7 × 83903
Deficient Odd Composite

Starting at 587,321, the Collatz iteration reaches 1 after 172 steps. The first transition is 1761964; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 83903
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 671,232
Proper Divisor Sum 83,911
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #587303 ← → #587341

Radix Representation

Decimal 587321
Binary 10001111011000111001 (20 bits)
Octal 0o2173071
Hexadecimal 0x8F639

Divisor Catalog (4)

1 7 83,903 587,321

Collatz Trajectory (172 steps to reach 1)

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

587,321 1,761,964 880,982 440,491 1,321,474 660,737 1,982,212 991,106 495,553 1,486,660 743,330 371,665 1,114,996 557,498 278,749 836,248 418,124 209,062 104,531 313,594 156,797 470,392 235,196 117,598 58,799 176,398 88,199 264,598 132,299 396,898 198,449 595,348 297,674 148,837 446,512 223,256 111,628 55,814 27,907 83,722 41,861 125,584 62,792 31,396 15,698 7,849 23,548 11,774 5,887 17,662 8,831 26,494 13,247 39,742 19,871 59,614 29,807 89,422 44,711 134,134

More profiles

← Previous Integer #587,320 Browse Full Index Next Integer #587,322 →