Properties of the Number -309479

Three Hundred Nine Thousand Four Hundred Seventy-Nine

Basics

Value: -309480 → -309479 → -309478

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 309479

Divisors: 1, 309479

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1001011100011100111

Octal: -1134347

Duodecimal: -12B11B

Hexadecimal: -4b8e7

Square: 95777251441

Square Root: 556.3083677242327

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

Number of (n+1) X (1+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements. A251221

Lesser of twin-bin primes: primes p such that p+2, x and y are primes, where·is concatenation of binary representations of p and p+2, and y is concatenation of binary representations of p+2 and p: x = p·2^A070939(p+2) + p+2, y = (p+2) * 2^A070939(p) + p. A232239

G.f. A(x) satisfies A(x) = (1 + x·A(x)⁴) * C(x·A(x)²), where C(x) is the g.f. of A000108. A381784