λ
Sequence Observatory

7,983,222

2 × 3 × 132 × 7873
Abundant Even Composite

Starting at 7,983,222, the Collatz iteration reaches 1 after 124 steps. The first transition is 3991611; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 13^2 × 7873
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 17,291,304
Proper Divisor Sum 9,308,082
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7983181 ← → #7983223

Radix Representation

Decimal 7983222
Binary 11110011101000001110110 (23 bits)
Octal 0o36350166
Hexadecimal 0x79D076

Divisor Catalog (24)

1 2 3 6 13 26 39 78 169 338 507 1,014 7,873 15,746 23,619 47,238 102,349 204,698 307,047 614,094 1,330,537 2,661,074 3,991,611 7,983,222

Collatz Trajectory (124 steps to reach 1)

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

7,983,222 3,991,611 11,974,834 5,987,417 17,962,252 8,981,126 4,490,563 13,471,690 6,735,845 20,207,536 10,103,768 5,051,884 2,525,942 1,262,971 3,788,914 1,894,457 5,683,372 2,841,686 1,420,843 4,262,530 2,131,265 6,393,796 3,196,898 1,598,449 4,795,348 2,397,674 1,198,837 3,596,512 1,798,256 899,128 449,564 224,782 112,391 337,174 168,587 505,762 252,881 758,644 379,322 189,661 568,984 284,492 142,246 71,123 213,370 106,685 320,056 160,028 80,014 40,007 120,022 60,011 180,034 90,017 270,052 135,026 67,513 202,540 101,270 50,635

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