Properties of the Number 32139

Thirty-Two Thousand One Hundred Thirty-Nine

Basics

Value: 32138 → 32139 → 32140

Parity: odd

Prime: No

Previous Prime: 32119

Next Prime: 32141

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3571

Divisors: 1, 3, 9, 3571, 10713, 32139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111110110001011

Octal: 76613

Duodecimal: 16723

Hexadecimal: 7d8b

Square: 1032915321

Square Root: 179.27353401994395

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) = floor(n*φ¹⁷), where φ is the golden ratio, A001622. A4932

Starting numbers for which the RATS sequence has eventual period 3. A114613

Vauban's sequence: a(n)=0 if n<=0, a(1)=1; thereafter a(n) = 3·a(n-1) + 6·a(n-2) + 6·a(n-3) + 6·a(n-4) + 6·a(n-5). A224749

Number of (n+1) X (1+1) 0..1 arrays with no 2 X 2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements. A251310

Indices of terms of A288349 that are powers of 2. A288492

a(n) = round(n*φ¹⁷), where φ is the golden ratio, A001622. A4952

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements. A251317

"CFK" (necklace, size, unlabeled) transform of 2,2,2,2... A32139