λ
Sequence Observatory

6,989,463

33 × 13 × 19913
Deficient Odd Composite

Starting at 6,989,463, the Collatz iteration reaches 1 after 178 steps. The first transition is 20968390; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3^3 × 13 × 19913
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 11,151,840
Proper Divisor Sum 4,162,377
Digit Sum / Digital Root 45 (Root: 9)
Adjacent Primes #6989461 ← → #6989491

Radix Representation

Decimal 6989463
Binary 11010101010011010010111 (23 bits)
Octal 0o32523227
Hexadecimal 0x6AA697

Divisor Catalog (16)

1 3 9 13 27 39 117 351 19,913 59,739 179,217 258,869 537,651 776,607 2,329,821 6,989,463

Collatz Trajectory (178 steps to reach 1)

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

6,989,463 20,968,390 10,484,195 31,452,586 15,726,293 47,178,880 23,589,440 11,794,720 5,897,360 2,948,680 1,474,340 737,170 368,585 1,105,756 552,878 276,439 829,318 414,659 1,243,978 621,989 1,865,968 932,984 466,492 233,246 116,623 349,870 174,935 524,806 262,403 787,210 393,605 1,180,816 590,408 295,204 147,602 73,801 221,404 110,702 55,351 166,054 83,027 249,082 124,541 373,624 186,812 93,406 46,703 140,110 70,055 210,166 105,083 315,250 157,625 472,876 236,438 118,219 354,658 177,329 531,988 265,994

More profiles

← Previous Integer #6,989,462 Browse Full Index Next Integer #6,989,464 →