Properties of the Number 49581

Forty-Nine Thousand Five Hundred Eighty-One

Basics

Value: 49580 → 49581 → 49582

Parity: odd

Prime: No

Previous Prime: 49559

Next Prime: 49597

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 787

Divisors: 1, 3, 7, 9, 21, 63, 787, 2361, 5509, 7083

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000110101101

Octal: 140655

Duodecimal: 24839

Hexadecimal: c1ad

Square: 2458275561

Square Root: 222.6679141681621

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Trajectory of 775 under the Reverse and Add! operation carried out in base 2, written in base 10. A77077

a(n) = 6·a(n-1)-8·a(n-2)-9 for n > 3; a(0)=775, a(1)=8919, a(2)=49581, a(3)=197469. A177843

a(n) = A324542(A002110(n)). A324536

Number of (n+3) X 9 binary arrays with every 4 X 4 subblock commuting with each horizontal and vertical neighbor 4 X 4 subblock. A188102

Table T(n,k) = |n-k| read by antidiagonals (n >= 0, k >= 0). A49581