Properties of the Number -127449

One Hundred Twenty-Seven Thousand Four Hundred Forty-Nine

Basics

Value: -127450 → -127449 → -127448

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 17 ²

Divisors: 1, 3, 7, 9, 17, 21, 49, 51, 63, 119

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111000111011001

Octal: -370731

Duodecimal: -61909

Hexadecimal: -1f1d9

Square: 16243247601

Square Root: 357

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 that are the squares of the product of three distinct primes. A162143

a(n) = (11·n + 5)². A17450

T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 010 in rows and columns. A202406

Squares which are the sum of two or more consecutive squares. A151557

a(n) = A054413(n-1)², n >= 1. A99367

a(n) is the smallest integer k > n such that sqrt(1/n + 1/k) is a rational number; or 0 if no such k exists. A379815

Odd squares k, multiples of 3 and non-multiples of 5, such that σ(k)/k >= 5/3. A388016

Squares which are the sum of consecutive squares starting with 25². A180259

a(n) = (9·n + 6)². A17234

Squares sandwiched between two numbers divisible by squares. A88068