Properties of the Number 25521

Twenty-Five Thousand Five Hundred Twenty-One

Basics

Value: 25520 → 25521 → 25522

Parity: odd

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 47 × 181

Divisors: 1, 3, 47, 141, 181, 543, 8507, 25521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001110110001

Octal: 61661

Duodecimal: 12929

Hexadecimal: 63b1

Square: 651321441

Square Root: 159.75293424535275

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

Number of distinct lines through the origin in 4-dimensional cube of side length n. A90026

Numbers n such that 17ⁿ + 2 is prime. A113480

Smallest m such that A064672(m) = n. A64689

Number of length 3 1..(n+1) arrays with every leading partial sum divisible by 2, 3 or 5. A254830

G.f. A(x) satisfies: A( A(x)² - A(x)³ ) = x·A(x). A268655

Least k>1 such that complement of first n terms of A022303 repeats beginning at k-th term. A25521