Properties of the Number 8225

Eight Thousand Two Hundred Twenty-Five

Basics

Value: 8224 → 8225 → 8226

Parity: odd

Prime: No

Previous Prime: 8221

Next Prime: 8231

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 7 × 47

Divisors: 1, 5, 7, 25, 35, 47, 175, 235, 329, 1175

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000000100001

Octal: 20041

Duodecimal: 4915

Hexadecimal: 2021

Square: 67650625

Square Root: 90.69178573608527

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

Numbers k such that the decimal number 1k is a square. A272671

Numbers k such that 8^k starts with k. A362100

a(n) = 1 + C(2,1)³ + C(4,2)³ + ... + C(2n,n)³. A79727

Positive integers, c, such that there is more than one solution to the equation a² + b³ = c⁴, with a, b > 0. A242186

Number of integer partitions of n whose LCM is 2·n. A327780

Consecutive states of the linear congruential pseudo-random number generator 259·s mod 2¹⁵ when started at s=1. A384194

a(n) is nonsquarefree and is sum of first k nonsquarefrees for some k. A13935

Sums of three Mersenne primes. A174055

Divisors of 16450. A276465

Numerators of the sequence of fractions defined by u(n) = ((5·F(n)*F(n-1)*F(2·n-1)*u(n-1) + F(n-1)*L(n)*u(n-2))/(L(n-1)*F(n))), with u(0) = 0 and u(1) = 1, where F(n) = A000045(n) and L(n) = A000032(n). A350903