Properties of the Number -19159

Nineteen Thousand One Hundred Fifty-Nine

Basics

Value: -19160 → -19159 → -19158

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 17 × 23

Divisors: 1, 7, 17, 23, 49, 119, 161, 391, 833, 1127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100101011010111

Octal: -45327

Duodecimal: -B107

Hexadecimal: -4ad7

Square: 367067281

Square Root: 138.4160395329963

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 where sin(k) increases monotonically to 1 (or cosec(k) decreases). A46959

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+161)² = y². A206426

a(n)² is the start of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245). A340663

Totally multiplicative sequence with a(p) = a(p-1) + 6 for prime p. A166703

Least m such that φ-Composite-Harmonic series ∑_k=1..m 1/A000010(A002808(k)) >= n. A74470

Difference between squares of legs of primitive Pythagorean triangles, sorted (with multiplicity). A127923

Numbers k where cos(k) decreases monotonically to 0. A46957