Properties of the Number -6403

Four Hundred Three

Basics

Value: -6404 → -6403 → -6402

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 19 × 337

Divisors: 1, 19, 337, 6403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100100000011

Octal: -14403

Duodecimal: -3857

Hexadecimal: -1903

Square: 40998409

Square Root: 80.01874780324921

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

Expansion of ∏_m>=1 1/(1-x^m)^A000009(m). A89259

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 8 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 8. A252615

Write 0,1,2,3,4,... in a triangular spiral; then a(n) is the sequence found by reading the terms along the line from 0 in the direction 0,2,... A62708

a(1) = 7; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46257

Euler transform of n!. A107895

a(n) = a(n-1) + a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(3) = 4. A50037

a(n) is the number of integer lattice points inside the right triangle with legs 3n and 4n (and hypotenuse 5n). A126587

Number of times prime(n) (the n-th prime) occurs as the least prime factor among numbers 1 .. (prime(n)² * prime(n+1)): a(n) = A078898(A251720(n)). A250477

Number of inequivalent binary [ n,3 ] codes of dimension <= 3 without zero columns. A34337

Partial sums of A294016. A294017