Properties of the Number 80476

Eighty Thousand Four Hundred Seventy-Six

Basics

Value: 80475 → 80476 → 80477

Parity: even

Prime: No

Previous Prime: 80473

Next Prime: 80489

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 31 × 59

Divisors: 1, 2, 4, 11, 22, 31, 44, 59, 62, 118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101001011100

Octal: 235134

Duodecimal: 3A6A4

Hexadecimal: 13a5c

Square: 6476386576

Square Root: 283.6829215867603

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

Even pseudoprimes to base 5. A90082

Numbers n such that n | 11ⁿ + 11. A15903

Pseudoprimes to base 5 that are not squarefree. A243010

Numbers k such that k divides the (k-1)st Lucas number. A94396

Even composite integers m such that U(m)² == 1 (mod m) and V(m) == 3 (mod m), where U(m)=A001906(m) and V(m)=A005248(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=1, respectively. A337777

Pseudoprimes to base 9 that are not squarefree. A306448

Number of -n..n arrays x(0..2) of 3 elements with zeroth through 2nd differences all nonzero. A199944

Floor( geometric mean of next n numbers ). A80476

Numbers n such that gcd(φ(n), n-1) > λ(n). A283656