1,522,505

5 × 304501

Starting at 1,522,505, the Collatz iteration reaches 1 after 132 steps. The first transition is 4567516; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 304501

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,827,012

Proper Divisor Sum 304,507

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1522487 ← → #1522511

Radix Representation

Decimal	1522505
Binary	101110011101101001001 (21 bits)
Octal	0o5635511
Hexadecimal	0x173B49

Divisor Catalog (4)

1 5 304,501 1,522,505

Collatz Trajectory (132 steps to reach 1)

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

1,522,505 4,567,516 2,283,758 1,141,879 3,425,638 1,712,819 5,138,458 2,569,229 7,707,688 3,853,844 1,926,922 963,461 2,890,384 1,445,192 722,596 361,298 180,649 541,948 270,974 135,487 406,462 203,231 609,694 304,847 914,542 457,271 1,371,814 685,907 2,057,722 1,028,861 3,086,584 1,543,292 771,646 385,823 1,157,470 578,735 1,736,206 868,103 2,604,310 1,302,155 3,906,466 1,953,233 5,859,700 2,929,850 1,464,925 4,394,776 2,197,388 1,098,694 549,347 1,648,042 824,021 2,472,064 1,236,032 618,016 309,008 154,504 77,252 38,626 19,313 57,940

← Previous Integer #1,522,504 Browse Full Index Next Integer #1,522,506 →