Properties of the Number -308290

Three Hundred Eight Thousand Two Hundred Ninety

Basics

Value: -308291 → -308290 → -308289

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 30829

Divisors: 1, 2, 5, 10, 30829, 61658, 154145, 308290

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1001011010001000010

Octal: -1132102

Duodecimal: -12A4AA

Hexadecimal: -4b442

Square: 95042724100

Square Root: 555.2386874128999

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) = ∑_k=m..n T(k,n-k), where m = floor((n+1)/2); a(n) is the n-th diagonal-sum of left justified array T given by A027935. A27947

a(n) = 3·a(n-1) - 3·a(n-2) + a(n-3) + a(n-4) with a(1) = 1, a(2) = 2, a(3) = 4, and a(4) = 7. A385106