Properties of the Number -245025

Two Hundred Forty-Five Thousand Twenty-Five

Basics

Value: -245026 → -245025 → -245024

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 ² × 11 ²

Divisors: 1, 3, 5, 9, 11, 15, 25, 27, 33, 45

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011110100100001

Octal: -736441

Duodecimal: -B9969

Hexadecimal: -3bd21

Square: 60037250625

Square Root: 495

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 coefficients: a(n) = binomial(3·n,n)². A188662

Odd abundant numbers whose abundance is odd. A156942

Odd abundant numbers k for which σ(k) == 3 (mod 4). A325311

Squares which are the sum of two or more consecutive squares. A151557

a(n) = binomial(n+4, n)². Square of the fifth diagonal sequence of A007318 (Pascal). Fifth diagonal sequence of A008459. A288876

Squares whose largest digit is 5. A295015

Numbers of the form p⁴*q²*r² where p, q, and r are distinct primes. A179746

The numbers n² as n runs through the numbers which are palindromes in base 2. A192775

Triangle read by rows: T(n,k) is the number of forests of labeled rooted hypertrees with n vertices and weight k, 0 <= k < n. A364709

k² is a term if k² + (k-1)² and k² + (k+1)² are primes. A75577