Properties of the Number -63420

Sixty-Three Thousand Four Hundred Twenty

Basics

Value: -63421 → -63420 → -63419

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 × 151

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1111011110111100

Octal: -173674

Duodecimal: -30850

Hexadecimal: -f7bc

Square: 4022096400

Square Root: 251.83327818221323

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

Numbers k such that k⁶ + 1091 is prime. A66386

T(n,k)=Number of length-n 0..k arrays with no repeated value equal to the previous repeated value. A269467

Numbers k such that 4·k-1, 8·k-1, 16·k-1 and 32·k-1 are all primes. A101794

Numbers n for which 2n-1, 4n-1, 8n-1, 16n-1 and 32n-1 are primes. A124017

Numbers n for which 2 < A257993(A276086(A276086(n))) < A257993(n), where A276086 converts the primorial base expansion of n into its prime product form, and A257993 returns the index of the least prime not present in its argument. A328762

Number of ways to place a non-attacking white and black king on n X n chessboard. A35286

Length of A001388(n). A46639

Number of length-n 0..4 arrays with no repeated value equal to the previous repeated value. A269463

Number of length-7 0..n arrays with no repeated value equal to the previous repeated value. A269471

Expansion of e.g.f. exp(∑_i>=1 ∑_j=1..i x^i·j / (i·j)). A327927