1,987,023

3 × 53 × 12497

Starting at 1,987,023, the Collatz iteration reaches 1 after 122 steps. The first transition is 5961070; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 53 × 12497

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,699,568

Proper Divisor Sum 712,545

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1987003 ← → #1987031

Radix Representation

Decimal	1987023
Binary	111100101000111001111 (21 bits)
Octal	0o7450717
Hexadecimal	0x1E51CF

Divisor Catalog (8)

1 3 53 159 12,497 37,491 662,341 1,987,023

Collatz Trajectory (122 steps to reach 1)

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

1,987,023 5,961,070 2,980,535 8,941,606 4,470,803 13,412,410 6,706,205 20,118,616 10,059,308 5,029,654 2,514,827 7,544,482 3,772,241 11,316,724 5,658,362 2,829,181 8,487,544 4,243,772 2,121,886 1,060,943 3,182,830 1,591,415 4,774,246 2,387,123 7,161,370 3,580,685 10,742,056 5,371,028 2,685,514 1,342,757 4,028,272 2,014,136 1,007,068 503,534 251,767 755,302 377,651 1,132,954 566,477 1,699,432 849,716 424,858 212,429 637,288 318,644 159,322 79,661 238,984 119,492 59,746 29,873 89,620 44,810 22,405 67,216 33,608 16,804 8,402 4,201 12,604

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