Properties of the Number 80568

Eighty Thousand Five Hundred Sixty-Eight

Basics

Value: 80567 → 80568 → 80569

Parity: even

Prime: No

Previous Prime: 80567

Next Prime: 80599

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ³ × 373

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011101010111000

Octal: 235270

Duodecimal: 3A760

Hexadecimal: 13ab8

Square: 6491202624

Square Root: 283.8450281403569

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

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A320371

Expansion of cos(log(1+x)*cosh(x)). A9029

Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A320366

Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A320369

Expansion of g.f. A(x) satisfying A(x)² = A(x·A(x)) / (1-x) with A(0) = 0. A367387

Sum of the Fibonacci numbers A000045 and the factorials A000142. A80568

Trisection of A107926: The least number k such that there are primes p and q with p - q = 6·n+4, p + q = k, and p the least such prime >= k/2. A234956