Properties of the Number -16001

Sixteen Thousand One

Basics

Value: -16002 → -16001 → -16000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 16001

Divisors: 1, 16001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010000001

Octal: -37201

Duodecimal: -9315

Hexadecimal: -3e81

Square: 256032001

Square Root: 126.49505919204908

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

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m·k + 1)*T(n-1, k, m) + m·f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 2, read by rows. A157208

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 10. A31423

Primes which are the concatenation of two squares (in decimal notation). A167535

Bemirps: primes that yield a different prime when turned upside down with reversals of both being two more different primes. A48895

Balanced primes of order eight. A96700

Good sequence of increments for Shell sort (best on big values). A33622

Primes of form n² + 625. A256777

Primes p for which the period of reciprocal = (p-1)/8. A56213

Primes of the form 2n²+14n+5. A154577

T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero and first and second differences in -k..k. A209007