λ
Prime Ledger

636,389

13 × 48953
Deficient Odd Composite

636,389 has the prime decomposition 13 × 48953. Its 2 distinct prime factors produce 4 positive divisors.

Prime Factor Structure

Factorization String 13 × 48953
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 685,356
Proper Divisor Sum 48,967
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #636359 ← → #636403

Radix Representation

Decimal 636389
Binary 10011011010111100101 (20 bits)
Octal 0o2332745
Hexadecimal 0x9B5E5

Divisor Catalog (4)

1 13 48,953 636,389

Collatz Trajectory (102 steps to reach 1)

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

636,389 1,909,168 954,584 477,292 238,646 119,323 357,970 178,985 536,956 268,478 134,239 402,718 201,359 604,078 302,039 906,118 453,059 1,359,178 679,589 2,038,768 1,019,384 509,692 254,846 127,423 382,270 191,135 573,406 286,703 860,110 430,055 1,290,166 645,083 1,935,250 967,625 2,902,876 1,451,438 725,719 2,177,158 1,088,579 3,265,738 1,632,869 4,898,608 2,449,304 1,224,652 612,326 306,163 918,490 459,245 1,377,736 688,868 344,434 172,217 516,652 258,326 129,163 387,490 193,745 581,236 290,618 145,309

More profiles

← Previous Integer #636,388 Browse Full Index Next Integer #636,390 →