Properties of the Number -31241

Thirty-One Thousand Two Hundred Forty-One

Basics

Value: -31242 → -31241 → -31240

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 4463

Divisors: 1, 7, 4463, 31241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111101000001001

Octal: -75011

Duodecimal: -160B5

Hexadecimal: -7a09

Square: 976000081

Square Root: 176.75123761942942

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

Triangle read by rows: T(n, m, q) = (1-qⁿ)*Eulerian(n+1, m) - (1-qⁿ) + 1, with q = 2. A174728

a(0) = 1, a(1) = 4, and a(n) = a(n-1) + a(n-2) for n >= 2. A285

Fibonacci sequence with initial values a(0) = 3 and a(1) = 1. A104449

Expansion of (1+2·x)/(1-3·x+x²). A54486

Consecutive states of the linear congruential pseudo-random number generator for 16-bit WATFOR/WATFIV when started at 1. A384158

y-values in the solution to x² - 20·y² = 176. A228208

Semiprimes in A033951. A113691

(2,2)-block array, B(2,1), of the Wythoff array (A035513), read by descending antidiagonals. A361994

n written in fractional base 5/3. A24633

Numerators of continued fraction convergents to sqrt(867). A42674