Properties of the Number 80475

Eighty Thousand Four Hundred Seventy-Five

Basics

Value: 80474 → 80475 → 80476

Parity: odd

Prime: No

Previous Prime: 80473

Next Prime: 80489

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ² × 29 × 37

Divisors: 1, 3, 5, 15, 25, 29, 37, 75, 87, 111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101001011011

Octal: 235133

Duodecimal: 3A6A3

Hexadecimal: 13a5b

Square: 6476225625

Square Root: 283.6811590500857

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

Negative value of coefficient of x^n-2 in the characteristic polynomial of a certain n X n integer circulant matrix. A127407

a(n) = A351477(n) * FC where F is the Fermat point of a primitive integer-sided triangle ABC with A < B < C < 2*π/3 and FA + FB + FC = A336329(n). A351803

"Self-Lucas"; a(n) is the sum of the last 5 terms. Sequence starts with 12,21,3,1,19 which are l,u,c,a,s if you consider a=1, b=2, c=3, ..., z=26. A129939

Numbers k such that k and k+1 both have the prime signature (2,1,1,1) (A189982). A336658

Number of base 25 circular n-digit numbers with adjacent digits differing by 4 or less. A125362

Longest side of primitive integer triangles with nonzero rational distances between three vertices and first isogonic center, sorted. A333391

Integers not expressible as the sum of a brilliant number and a prime. A80475