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Properties of the Number -30581

Thirty Thousand Five Hundred Eighty-One

Basics

Value: -30582 → -30581 → -30580

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 53 × 577

Divisors: 1, 53, 577, 30581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011101110101

Octal: -73565

Duodecimal: -15845

Hexadecimal: -7775

Square: 935197561

Square Root: 174.8742405273001

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

Binomial transform of poly-Bernoulli numbers A027649. A85350
a(n) = 2n - A108411(n). A167936
First subdiagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j-1,k) for 2 <= k <= j. A131023
Numbers whose base-b expansions, for both b=3 and b=4, include no digits other than 1 and b-1. A262958
Monotonic ordering of nonnegative differences 8i-3j, for 40>= i>=0, j>=0. A192156
Positions of records in A268672. A268713
Column 0 of triangle A105542, which equals the matrix square of triangle A105540. A105543
Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X n array. A219497
Numbers k such that 3·10k + 73 is prime. A271640