λ
Sequence Observatory

7,160,777

13 × 19 × 53 × 547
Deficient Odd Composite

Starting at 7,160,777, the Collatz iteration reaches 1 after 98 steps. The first transition is 21482332; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 13 × 19 × 53 × 547
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 8,285,760
Proper Divisor Sum 1,124,983
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #7160743 ← → #7160801

Radix Representation

Decimal 7160777
Binary 11011010100001111001001 (23 bits)
Octal 0o33241711
Hexadecimal 0x6D43C9

Divisor Catalog (16)

1 13 19 53 247 547 689 1,007 7,111 10,393 13,091 28,991 135,109 376,883 550,829 7,160,777

Collatz Trajectory (98 steps to reach 1)

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

7,160,777 21,482,332 10,741,166 5,370,583 16,111,750 8,055,875 24,167,626 12,083,813 36,251,440 18,125,720 9,062,860 4,531,430 2,265,715 6,797,146 3,398,573 10,195,720 5,097,860 2,548,930 1,274,465 3,823,396 1,911,698 955,849 2,867,548 1,433,774 716,887 2,150,662 1,075,331 3,225,994 1,612,997 4,838,992 2,419,496 1,209,748 604,874 302,437 907,312 453,656 226,828 113,414 56,707 170,122 85,061 255,184 127,592 63,796 31,898 15,949 47,848 23,924 11,962 5,981 17,944 8,972 4,486 2,243 6,730 3,365 10,096 5,048 2,524 1,262

More profiles

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