7,142,657

569 × 12553

Starting at 7,142,657, the Collatz iteration reaches 1 after 191 steps. The first transition is 21427972; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 569 × 12553

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 7,155,780

Proper Divisor Sum 13,123

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #7142633 ← → #7142659

Radix Representation

Decimal	7142657
Binary	11011001111110100000001 (23 bits)
Octal	0o33176401
Hexadecimal	0x6CFD01

Divisor Catalog (4)

1 569 12,553 7,142,657

Collatz Trajectory (191 steps to reach 1)

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

7,142,657 21,427,972 10,713,986 5,356,993 16,070,980 8,035,490 4,017,745 12,053,236 6,026,618 3,013,309 9,039,928 4,519,964 2,259,982 1,129,991 3,389,974 1,694,987 5,084,962 2,542,481 7,627,444 3,813,722 1,906,861 5,720,584 2,860,292 1,430,146 715,073 2,145,220 1,072,610 536,305 1,608,916 804,458 402,229 1,206,688 603,344 301,672 150,836 75,418 37,709 113,128 56,564 28,282 14,141 42,424 21,212 10,606 5,303 15,910 7,955 23,866 11,933 35,800 17,900 8,950 4,475 13,426 6,713 20,140 10,070 5,035 15,106 7,553

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