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Properties of the Number 19967

Nineteen Thousand Nine Hundred Sixty-Seven

Basics

Value: 19966 → 19967 → 19968

Parity: odd

Prime: No

Previous Prime: 19963

Next Prime: 19973

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 41 × 487

Divisors: 1, 41, 487, 19967

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110111111111

Octal: 46777

Duodecimal: B67B

Hexadecimal: 4dff

Square: 398681089

Square Root: 141.30463545121228

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

A sequence of asymptotic density ζ(10) - 1, where ζ is the Riemann ζ function. A143036
Central coefficients of Moebius polynomials (A074586): coefficient of xn/2-1/2 if n is odd; coefficient of xn/2-1 if n is even and >4. The n-th Moebius polynomial, M(n,x), satisfies M(n,-1)=μ(n) the Moebius function of n. A77596
Unitary Ruth-Aaron numbers: numbers k such that A008475(k) = A008475(k+1). A331000
a(n) = 78·n2 - 1. A158771
Number of lines through at least 2 points of an 8 X n grid of points. A160848
Integers n such that exactly 80 percent of the digits in base 2 are 1's. A163142
Row sums of triangle defined in A113821. A160969
Number of zero-sum -3..3 arrays of n elements with first through third differences also in -3..3. A202506
Odd numbers n such that the sum of the binary digits of n and n2 both equal 12. A261593
Starting at n, a(n) is the number of times we travel to a position already visited according to the following rules. On the k-th step (k=1,2,3,...) move a distance of k in the direction of zero. If the number landed on has been landed on before, move a distance of k away. A324674