7,137,641

7 × 1019663

Starting at 7,137,641, the Collatz iteration reaches 1 after 98 steps. The first transition is 21412924; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 1019663

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,157,312

Proper Divisor Sum 1,019,671

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #7137631 ← → #7137653

Radix Representation

Decimal	7137641
Binary	11011001110100101101001 (23 bits)
Octal	0o33164551
Hexadecimal	0x6CE969

Divisor Catalog (4)

1 7 1,019,663 7,137,641

Collatz Trajectory (98 steps to reach 1)

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

7,137,641 21,412,924 10,706,462 5,353,231 16,059,694 8,029,847 24,089,542 12,044,771 36,134,314 18,067,157 54,201,472 27,100,736 13,550,368 6,775,184 3,387,592 1,693,796 846,898 423,449 1,270,348 635,174 317,587 952,762 476,381 1,429,144 714,572 357,286 178,643 535,930 267,965 803,896 401,948 200,974 100,487 301,462 150,731 452,194 226,097 678,292 339,146 169,573 508,720 254,360 127,180 63,590 31,795 95,386 47,693 143,080 71,540 35,770 17,885 53,656 26,828 13,414 6,707 20,122 10,061 30,184 15,092 7,546

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