Properties of the Number 39180

Thirty-Nine Thousand One Hundred Eighty

Basics

Value: 39179 → 39180 → 39181

Parity: even

Prime: No

Previous Prime: 39163

Next Prime: 39181

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 653

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001100100001100

Octal: 114414

Duodecimal: 1A810

Hexadecimal: 990c

Square: 1535072400

Square Root: 197.93938466106235

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 ways to write n as an orderless product of orderless sums. A318949

Structured triakis tetrahedral numbers (vertex structure 4). A100175

Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically. A208023

Number of nX2 0..1 arrays with no more than floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order. A222354

Least k such that first k terms of A022303 contain n more 2's than 1's. A25518

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253435

Numbers whose base-11 representation has the same number of 2's and 9's. A39180