Properties of the Number -308025

Three Hundred Eight Thousand Twenty-Five

Basics

Value: -308026 → -308025 → -308024

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 37 ²

Divisors: 1, 3, 5, 9, 15, 25, 37, 45, 75, 111

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001011001100111001

Octal: -1131471

Duodecimal: -12A309

Hexadecimal: -4b339

Square: 94879400625

Square Root: 555

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

Squares of A002279: a(n) = (5*(10ⁿ - 1)/9)². A75414

Numbers which can be expressed as the product of numbers made of only fives. A161143

Expansion of (1/x) * Series_Reversion( x * (1-x)³ * (1-x³)³ ). A369301

a(1) = 1; a(n+1) is the smallest square greater than n·a(n). A77211

Odd half-Zumkeller numbers. A246199

Numbers k such that (65·k)² can be represented in exactly 4 ways as the sum of a positive square and a positive fourth power. A346594

a(n) = (F(n+1) + L(n))² where F(n) are the Fibonacci numbers (A000045) and L(n) are the Lucas numbers (A000032). A14717

Odd squares not in A113659. A103962

Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits). A316483