1,339,346

2 × 669673

Starting at 1,339,346, the Collatz iteration reaches 1 after 261 steps. The first transition is 669673; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 669673

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,009,022

Proper Divisor Sum 669,676

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1339343 ← → #1339357

Radix Representation

Decimal	1339346
Binary	101000110111111010010 (21 bits)
Octal	0o5067722
Hexadecimal	0x146FD2

Divisor Catalog (4)

1 2 669,673 1,339,346

Collatz Trajectory (261 steps to reach 1)

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

1,339,346 669,673 2,009,020 1,004,510 502,255 1,506,766 753,383 2,260,150 1,130,075 3,390,226 1,695,113 5,085,340 2,542,670 1,271,335 3,814,006 1,907,003 5,721,010 2,860,505 8,581,516 4,290,758 2,145,379 6,436,138 3,218,069 9,654,208 4,827,104 2,413,552 1,206,776 603,388 301,694 150,847 452,542 226,271 678,814 339,407 1,018,222 509,111 1,527,334 763,667 2,291,002 1,145,501 3,436,504 1,718,252 859,126 429,563 1,288,690 644,345 1,933,036 966,518 483,259 1,449,778 724,889 2,174,668 1,087,334 543,667 1,631,002 815,501 2,446,504 1,223,252 611,626 305,813

← Previous Integer #1,339,345 Browse Full Index Next Integer #1,339,347 →