Properties of the Number 39625

Thirty-Nine Thousand Six Hundred Twenty-Five

Basics

Value: 39624 → 39625 → 39626

Parity: odd

Prime: No

Previous Prime: 39623

Next Prime: 39631

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ³ × 317

Divisors: 1, 5, 25, 125, 317, 1585, 7925, 39625

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101011001001

Octal: 115311

Duodecimal: 1AB21

Hexadecimal: 9ac9

Square: 1570140625

Square Root: 199.06029237394384

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 n X 4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1. A297391

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1. A297395

Numbers m such that S = ∑_{i = 1..q} 1/d(i) is an integer where d(i) are the divisors of m in increasing order, and q the smallest integer 1 < q <= τ(m) for m > 1; and a(1) = 1. A225110

Number of planar simply-connected mono-q-polyhexes for q=5. A39625

Rolling icosahedron face footprints: number of 4 X n 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge. A223285