λ
Sequence Observatory

8,883,490

2 × 5 × 7 × 11 × 83 × 139
Abundant Even Composite

Starting at 8,883,490, the Collatz iteration reaches 1 after 168 steps. The first transition is 4441745; the starting value is even with 64 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 7 × 11 × 83 × 139
Distinct Prime Factors 6
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 64
Divisor Sum (σ) 20,321,280
Proper Divisor Sum 11,437,790
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #8883487 ← → #8883493

Radix Representation

Decimal 8883490
Binary 100001111000110100100010 (24 bits)
Octal 0o41706442
Hexadecimal 0x878D22

Divisor Catalog (60 of 64)

1 2 5 7 10 11 14 22 35 55 70 77 83 110 139 154 166 278 385 415 581 695 770 830 913 973 1,162 1,390 1,529 1,826 1,946 2,905 3,058 4,565 4,865 5,810 6,391 7,645 9,130 9,730 10,703 11,537 12,782 15,290 21,406 23,074 31,955 53,515 57,685 63,910 80,759 107,030 115,370 126,907 161,518 253,814 403,795 634,535 807,590 888,349

Collatz Trajectory (168 steps to reach 1)

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

8,883,490 4,441,745 13,325,236 6,662,618 3,331,309 9,993,928 4,996,964 2,498,482 1,249,241 3,747,724 1,873,862 936,931 2,810,794 1,405,397 4,216,192 2,108,096 1,054,048 527,024 263,512 131,756 65,878 32,939 98,818 49,409 148,228 74,114 37,057 111,172 55,586 27,793 83,380 41,690 20,845 62,536 31,268 15,634 7,817 23,452 11,726 5,863 17,590 8,795 26,386 13,193 39,580 19,790 9,895 29,686 14,843 44,530 22,265 66,796 33,398 16,699 50,098 25,049 75,148 37,574 18,787 56,362

More profiles

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