2,642,833

71 × 37223

Starting at 2,642,833, the Collatz iteration reaches 1 after 218 steps. The first transition is 7928500; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 71 × 37223

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,680,128

Proper Divisor Sum 37,295

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2642821 ← → #2642839

Radix Representation

Decimal	2642833
Binary	1010000101001110010001 (22 bits)
Octal	0o12051621
Hexadecimal	0x285391

Divisor Catalog (4)

1 71 37,223 2,642,833

Collatz Trajectory (218 steps to reach 1)

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

2,642,833 7,928,500 3,964,250 1,982,125 5,946,376 2,973,188 1,486,594 743,297 2,229,892 1,114,946 557,473 1,672,420 836,210 418,105 1,254,316 627,158 313,579 940,738 470,369 1,411,108 705,554 352,777 1,058,332 529,166 264,583 793,750 396,875 1,190,626 595,313 1,785,940 892,970 446,485 1,339,456 669,728 334,864 167,432 83,716 41,858 20,929 62,788 31,394 15,697 47,092 23,546 11,773 35,320 17,660 8,830 4,415 13,246 6,623 19,870 9,935 29,806 14,903 44,710 22,355 67,066 33,533 100,600

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