Properties of the Number -200281

Two Hundred Thousand Two Hundred Eighty-One

Basics

Value: -200282 → -200281 → -200280

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 37 × 5413

Divisors: 1, 37, 5413, 200281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -110000111001011001

Octal: -607131

Duodecimal: -97AA1

Hexadecimal: -30e59

Square: 40112478961

Square Root: 447.52765277689826

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

Indices of A052344 (ways to write n as sum of two nonzero triangular numbers) where record values are reached. A53587

a(n) is the smallest nonnegative integer that can be written as a sum of two distinct nonzero triangular numbers in exactly n ways or -1 if no such integer exists. A342326

Smallest number which is the sum of two positive triangular numbers in exactly n different ways. A52346

Indices of A052343 (ways to write n as sum of two triangular numbers) where record values are reached. A52348

Least k such that A052343(k)=n. A52345

Number of words w of length n such that each letter of the quaternary alphabet is used at least once and for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z. A321840

Smallest number which is the sum of two positive triangular numbers (A000217) in at least n ways. A234004