1,515,862

2 × 463 × 1637

Starting at 1,515,862, the Collatz iteration reaches 1 after 119 steps. The first transition is 757931; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 463 × 1637

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,280,096

Proper Divisor Sum 764,234

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1515847 ← → #1515881

Radix Representation

Decimal	1515862
Binary	101110010000101010110 (21 bits)
Octal	0o5620526
Hexadecimal	0x172156

Divisor Catalog (8)

1 2 463 926 1,637 3,274 757,931 1,515,862

Collatz Trajectory (119 steps to reach 1)

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

1,515,862 757,931 2,273,794 1,136,897 3,410,692 1,705,346 852,673 2,558,020 1,279,010 639,505 1,918,516 959,258 479,629 1,438,888 719,444 359,722 179,861 539,584 269,792 134,896 67,448 33,724 16,862 8,431 25,294 12,647 37,942 18,971 56,914 28,457 85,372 42,686 21,343 64,030 32,015 96,046 48,023 144,070 72,035 216,106 108,053 324,160 162,080 81,040 40,520 20,260 10,130 5,065 15,196 7,598 3,799 11,398 5,699 17,098 8,549 25,648 12,824 6,412 3,206 1,603

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