1,268,649

3³ × 19 × 2473

Starting at 1,268,649, the Collatz iteration reaches 1 after 103 steps. The first transition is 3805948; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3^3 × 19 × 2473

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,979,200

Proper Divisor Sum 710,551

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1268633 ← → #1268669

Radix Representation

Decimal	1268649
Binary	100110101101110101001 (21 bits)
Octal	0o4655651
Hexadecimal	0x135BA9

Divisor Catalog (16)

1 3 9 19 27 57 171 513 2,473 7,419 22,257 46,987 66,771 140,961 422,883 1,268,649

Collatz Trajectory (103 steps to reach 1)

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

1,268,649 3,805,948 1,902,974 951,487 2,854,462 1,427,231 4,281,694 2,140,847 6,422,542 3,211,271 9,633,814 4,816,907 14,450,722 7,225,361 21,676,084 10,838,042 5,419,021 16,257,064 8,128,532 4,064,266 2,032,133 6,096,400 3,048,200 1,524,100 762,050 381,025 1,143,076 571,538 285,769 857,308 428,654 214,327 642,982 321,491 964,474 482,237 1,446,712 723,356 361,678 180,839 542,518 271,259 813,778 406,889 1,220,668 610,334 305,167 915,502 457,751 1,373,254 686,627 2,059,882 1,029,941 3,089,824 1,544,912 772,456 386,228 193,114 96,557 289,672

← Previous Integer #1,268,648 Browse Full Index Next Integer #1,268,650 →