Properties of the Number 39025

Thirty-Nine Thousand Twenty-Five

Basics

Value: 39024 → 39025 → 39026

Parity: odd

Prime: No

Previous Prime: 39023

Next Prime: 39041

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 7 × 223

Divisors: 1, 5, 7, 25, 35, 175, 223, 1115, 1561, 5575

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100001110001

Octal: 114161

Duodecimal: 1A701

Hexadecimal: 9871

Square: 1522950625

Square Root: 197.5474626513841

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

a(n) = n*(5·n² - 3)/2. A63522

a(0) = a(1) = a(2) = 1; for n > 2, a(n) = (a(n-1) + 1)*(a(n-2) + 1) / a(n-3). A276123

Indices of 9-gonal numbers which are also triangular. A48907

Indices of 9-gonal numbers which are also hexagonal. A48916

A bisection of A063522. A160674

Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| + |y-w| < w+x+y. A213488

Poincaré series [or Poincare series] (or Molien series) for mod 2 cohomology of universal W-group W(5). A14700

A slightly compressed version of A352569: replace each string 1 followed by k 0's in A352569 by the number k. A352570

Numbers whose base-6 representation has the same number of 2's and 4's. A39025