Properties of the Number -127915

One Hundred Twenty-Seven Thousand Nine Hundred Fifteen

Basics

Value: -127916 → -127915 → -127914

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 25583

Divisors: 1, 5, 25583, 127915

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11111001110101011

Octal: -371653

Duodecimal: -62037

Hexadecimal: -1f3ab

Square: 16362247225

Square Root: 357.65206556093034

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

E.g.f.: A(x,y) = exp(-1-y) * ∑_n>=0 (exp(n·x) + y)ⁿ / n!, where A(x,y) = ∑_n>=0 xⁿ/n! * ∑_k=0..n T(n,k)*y^k, as a triangle of coefficients T(n,k) read by rows. A326600

Numbers k such that 341·2^k+1 is prime. A322963