1,356,224

2⁶ × 21191

Starting at 1,356,224, the Collatz iteration reaches 1 after 62 steps. The first transition is 678112; the starting value is even with 14 positive divisors.

Prime Factor Structure

Factorization String 2^6 × 21191

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 14

Divisor Sum (σ) 2,691,384

Proper Divisor Sum 1,335,160

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #1356221 ← → #1356227

Radix Representation

Decimal	1356224
Binary	101001011000111000000 (21 bits)
Octal	0o5130700
Hexadecimal	0x14B1C0

Divisor Catalog (14)

1 2 4 8 16 32 64 21,191 42,382 84,764 169,528 339,056 678,112 1,356,224

Collatz Trajectory (62 steps to reach 1)

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

1,356,224 678,112 339,056 169,528 84,764 42,382 21,191 63,574 31,787 95,362 47,681 143,044 71,522 35,761 107,284 53,642 26,821 80,464 40,232 20,116 10,058 5,029 15,088 7,544 3,772 1,886 943 2,830 1,415 4,246 2,123 6,370 3,185 9,556 4,778 2,389 7,168 3,584 1,792 896 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

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