1,636,616

2³ × 149 × 1373

1,636,616 factors as 2^3 × 149 × 1373. Its 16 positive divisors give a proper-divisor sum of 1,454,884, so this integer is deficient. The Collatz stopping time is 207 steps.

Prime Factor Structure

Factorization String 2^3 × 149 × 1373

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,091,500

Proper Divisor Sum 1,454,884

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1636577 ← → #1636619

Radix Representation

Decimal	1636616
Binary	110001111100100001000 (21 bits)
Octal	0o6174410
Hexadecimal	0x18F908

Divisor Catalog (16)

1 2 4 8 149 298 596 1,192 1,373 2,746 5,492 10,984 204,577 409,154 818,308 1,636,616

Collatz Trajectory (207 steps to reach 1)

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

1,636,616 818,308 409,154 204,577 613,732 306,866 153,433 460,300 230,150 115,075 345,226 172,613 517,840 258,920 129,460 64,730 32,365 97,096 48,548 24,274 12,137 36,412 18,206 9,103 27,310 13,655 40,966 20,483 61,450 30,725 92,176 46,088 23,044 11,522 5,761 17,284 8,642 4,321 12,964 6,482 3,241 9,724 4,862 2,431 7,294 3,647 10,942 5,471 16,414 8,207 24,622 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388

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