1,306,671

3 × 17 × 25621

Starting at 1,306,671, the Collatz iteration reaches 1 after 124 steps. The first transition is 3920014; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 17 × 25621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,844,784

Proper Divisor Sum 538,113

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1306667 ← → #1306691

Radix Representation

Decimal	1306671
Binary	100111111000000101111 (21 bits)
Octal	0o4770057
Hexadecimal	0x13F02F

Divisor Catalog (8)

1 3 17 51 25,621 76,863 435,557 1,306,671

Collatz Trajectory (124 steps to reach 1)

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

1,306,671 3,920,014 1,960,007 5,880,022 2,940,011 8,820,034 4,410,017 13,230,052 6,615,026 3,307,513 9,922,540 4,961,270 2,480,635 7,441,906 3,720,953 11,162,860 5,581,430 2,790,715 8,372,146 4,186,073 12,558,220 6,279,110 3,139,555 9,418,666 4,709,333 14,128,000 7,064,000 3,532,000 1,766,000 883,000 441,500 220,750 110,375 331,126 165,563 496,690 248,345 745,036 372,518 186,259 558,778 279,389 838,168 419,084 209,542 104,771 314,314 157,157 471,472 235,736 117,868 58,934 29,467 88,402 44,201 132,604 66,302 33,151 99,454 49,727

← Previous Integer #1,306,670 Browse Full Index Next Integer #1,306,672 →