λ
Sequence Observatory

1,110,620

22 × 5 × 7 × 7933
Abundant Even Composite

Starting at 1,110,620, the Collatz iteration reaches 1 after 59 steps. The first transition is 555310; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 7933
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 2,665,824
Proper Divisor Sum 1,555,204
Digit Sum / Digital Root 11 (Root: 2)
Adjacent Primes #1110617 ← → #1110643

Radix Representation

Decimal 1110620
Binary 100001111001001011100 (21 bits)
Octal 0o4171134
Hexadecimal 0x10F25C

Divisor Catalog (24)

1 2 4 5 7 10 14 20 28 35 70 140 7,933 15,866 31,732 39,665 55,531 79,330 111,062 158,660 222,124 277,655 555,310 1,110,620

Collatz Trajectory (59 steps to reach 1)

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

1,110,620 555,310 277,655 832,966 416,483 1,249,450 624,725 1,874,176 937,088 468,544 234,272 117,136 58,568 29,284 14,642 7,321 21,964 10,982 5,491 16,474 8,237 24,712 12,356 6,178 3,089 9,268 4,634 2,317 6,952 3,476 1,738 869 2,608 1,304 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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