λ
Sequence Observatory

2,213,262

2 × 32 × 41 × 2999
Abundant Even Composite

Starting at 2,213,262, the Collatz iteration reaches 1 after 117 steps. The first transition is 1106631; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 41 × 2999
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,914,000
Proper Divisor Sum 2,700,738
Digit Sum / Digital Root 18 (Root: 9)
Adjacent Primes #2213243 ← → #2213279

Radix Representation

Decimal 2213262
Binary 1000011100010110001110 (22 bits)
Octal 0o10342616
Hexadecimal 0x21C58E

Divisor Catalog (24)

1 2 3 6 9 18 41 82 123 246 369 738 2,999 5,998 8,997 17,994 26,991 53,982 122,959 245,918 368,877 737,754 1,106,631 2,213,262

Collatz Trajectory (117 steps to reach 1)

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

2,213,262 1,106,631 3,319,894 1,659,947 4,979,842 2,489,921 7,469,764 3,734,882 1,867,441 5,602,324 2,801,162 1,400,581 4,201,744 2,100,872 1,050,436 525,218 262,609 787,828 393,914 196,957 590,872 295,436 147,718 73,859 221,578 110,789 332,368 166,184 83,092 41,546 20,773 62,320 31,160 15,580 7,790 3,895 11,686 5,843 17,530 8,765 26,296 13,148 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342

More profiles

← Previous Integer #2,213,261 Browse Full Index Next Integer #2,213,263 →