Properties of the Number -249979

Two Hundred Forty-Nine Thousand Nine Hundred Seventy-Nine

Basics

Value: -249980 → -249979 → -249978

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 457 × 547

Divisors: 1, 457, 547, 249979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -111101000001111011

Octal: -750173

Duodecimal: -1007B7

Hexadecimal: -3d07b

Square: 62489500441

Square Root: 499.97899955898146

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

Numerator of ∑_k=1..n μ(k)/k. A70888

a(n) = numerator of rational number Im(P(x))/π, for·in interval (1/A005117(n+1),1/A005117(n)), where P(x) is the prime ζ function. A385808

Numerator of ∑_k=1..n μ(k)/k when it changes sign. A70890