Properties of the Number -149226

One Hundred Forty-Nine Thousand Two Hundred Twenty-Six

Basics

Value: -149227 → -149226 → -149225

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 11 × 17 × 19

Divisors: 1, 2, 3, 6, 7, 11, 14, 17, 19, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -100100011011101010

Octal: -443352

Duodecimal: -72436

Hexadecimal: -246ea

Square: 22268399076

Square Root: 386.2978125747025

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

Third convolution of A115140. A115142

Seventh convolution of A115140. A115146

a(n) = 3*(2·n)!/((n+2)!*(n-1)!). A245

a(n) = 7·binomial(2n,n-3)/(n+4). A588

a(n) = 3·binomial(2n, n-1)/(n+2), n > 0, with a(0)=1. A71724

Numbers n such that σ(n) = 12*φ(n). A104902

a(n) = [xⁿ] 1/(1 + x + x²)ⁿ. A350383

Area ar/6 (divided by 6) of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q²-p², c=q²+p², b=2·p*q, ar=a·b/2; s=a+b+c, s-+1 are primes. A155177

Expansion of 1 / ((1 - x)⁷*(1 + x)⁵). A299337

Denominators of a fractional order v differentiation of the Bernoulli polynomials with v = 1/2, evaluated at x = 1 and normalized by sqrt(π). A346712