λ
Sequence Observatory

6,690,632

23 × 13 × 64333
Abundant Even Composite

Starting at 6,690,632, the Collatz iteration reaches 1 after 209 steps. The first transition is 3345316; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 13 × 64333
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 13,510,140
Proper Divisor Sum 6,819,508
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #6690623 ← → #6690643

Radix Representation

Decimal 6690632
Binary 11001100001011101001000 (23 bits)
Octal 0o31413510
Hexadecimal 0x661748

Divisor Catalog (16)

1 2 4 8 13 26 52 104 64,333 128,666 257,332 514,664 836,329 1,672,658 3,345,316 6,690,632

Collatz Trajectory (209 steps to reach 1)

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

6,690,632 3,345,316 1,672,658 836,329 2,508,988 1,254,494 627,247 1,881,742 940,871 2,822,614 1,411,307 4,233,922 2,116,961 6,350,884 3,175,442 1,587,721 4,763,164 2,381,582 1,190,791 3,572,374 1,786,187 5,358,562 2,679,281 8,037,844 4,018,922 2,009,461 6,028,384 3,014,192 1,507,096 753,548 376,774 188,387 565,162 282,581 847,744 423,872 211,936 105,968 52,984 26,492 13,246 6,623 19,870 9,935 29,806 14,903 44,710 22,355 67,066 33,533 100,600 50,300 25,150 12,575 37,726 18,863 56,590 28,295 84,886 42,443

More profiles

← Previous Integer #6,690,631 Browse Full Index Next Integer #6,690,633 →