λ
Sequence Observatory

8,881,828

22 × 2220457
Deficient Even Composite

Starting at 8,881,828, the Collatz iteration reaches 1 after 119 steps. The first transition is 4440914; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 2220457
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 15,543,206
Proper Divisor Sum 6,661,378
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #8881819 ← → #8881853

Radix Representation

Decimal 8881828
Binary 100001111000011010100100 (24 bits)
Octal 0o41703244
Hexadecimal 0x8786A4

Divisor Catalog (6)

1 2 4 2,220,457 4,440,914 8,881,828

Collatz Trajectory (119 steps to reach 1)

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

8,881,828 4,440,914 2,220,457 6,661,372 3,330,686 1,665,343 4,996,030 2,498,015 7,494,046 3,747,023 11,241,070 5,620,535 16,861,606 8,430,803 25,292,410 12,646,205 37,938,616 18,969,308 9,484,654 4,742,327 14,226,982 7,113,491 21,340,474 10,670,237 32,010,712 16,005,356 8,002,678 4,001,339 12,004,018 6,002,009 18,006,028 9,003,014 4,501,507 13,504,522 6,752,261 20,256,784 10,128,392 5,064,196 2,532,098 1,266,049 3,798,148 1,899,074 949,537 2,848,612 1,424,306 712,153 2,136,460 1,068,230 534,115 1,602,346 801,173 2,403,520 1,201,760 600,880 300,440 150,220 75,110 37,555 112,666 56,333

More profiles

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