Properties of the Number -7383

Three Hundred Eighty-Three

Basics

Value: -7384 → -7383 → -7382

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23 × 107

Divisors: 1, 3, 23, 69, 107, 321, 2461, 7383

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1110011010111

Octal: -16327

Duodecimal: -4333

Hexadecimal: -1cd7

Square: 54508689

Square Root: 85.92438536294571

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

a(n) = n*(7·n - 1)/2. A22264

a(n) = n*(14·n - 1). A195024

Numbers k such that 4·k-1, 8·k-1 and 16·k-1 are all primes. A101790

Concatenations of pairs of primes that differ by 10. A104719

T(n,k)=Number of nXk 0..2 arrays with no element unequal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A279902

Expansion of g.f. (1/2)*( a*(1+x)ⁿ + b*(1-x)ⁿ⁺²*LerchPhi(x, -n-1, 1) + c·2ⁿ⁺¹*(1-x)ⁿ⁺¹*LerchPhi(x, -n, 1/2) ), where a = 31, b = -59, and c = 15, read by rows. A168549

The number of seconds after midnight (3600·H + 60·MM + SS) corresponding to prime time numbers A295014, i.e., numbers of the form HMMSS with primes H < 24 and MM, SS < 60. A295004

Start with two vertices and draw a circle around each whose radius is the distance between the vertices. The sequence gives the number of regions constructed after n iterations of drawing circles with this same radius around every new vertex created from all circles' intersections. A374337

Natural numbers written out with their digits grouped in sets of four (leading zeros omitted). A91332

In the binary race of π, where the race leader changes. A278920

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