Properties of the Number -225625

Two Hundred Twenty-Five Thousand Six Hundred Twenty-Five

Basics

Value: -225626 → -225625 → -225624

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ⁴ × 19 ²

Divisors: 1, 5, 19, 25, 95, 125, 361, 475, 625, 1805

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110111000101011001

Octal: -670531

Duodecimal: -AA6A1

Hexadecimal: -37159

Square: 50906640625

Square Root: 475

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 which are the concatenation of two nonzero squares. A39686

Squares with an even number of digits, where the first half is a square and the second half is a nonzero square. A145848

Squares whose decimal digits are nonsquares (2, 3, 5, 6, 7, 8). A77437

Squares composed of digits {2,5,6}. A30484

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

Squares using only squarefree digits (2, 3, 5, 6, 7). A77676

Least number k such that the absolute value of the difference between the number of divisors of k and k-1 is equal to n. A285457

Smallest nontrivial extension of n-th square which is a square not ending 00. A30688

G.f.: (108·x²+27·x+1)/(1+2·x-6·x²-27·x³). A103645

Squares which are concatenation of two positive squares with possible intervening zeros. A147608