Properties of the Number -39675

Thirty-Nine Thousand Six Hundred Seventy-Five

Basics

Value: -39676 → -39675 → -39674

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 23 ²

Divisors: 1, 3, 5, 15, 23, 25, 69, 75, 115, 345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1001101011111011

Octal: -115373

Duodecimal: -1AB63

Hexadecimal: -9afb

Square: 1574105625

Square Root: 199.18584287042088

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 A(n,k) of spanning trees in C_k X P_n; square array A(n,k), n>=1, k>=1, read by antidiagonals. A173958

Number of spanning trees in K₃ X P_n. A3690

Area of n-th triple of squares around a triangle. A5386

T(n,k)=Number of nXk nonnegative integer arrays with each row and column increasing from zero by 0 or 1. A202756

Number of perfect matchings (or domino tilings) in K₄ X P_n. A3769

Odd numbers k such that A166100((k-1)/2)/k is not an integer. A166102

3·h², where h is an odd integer not divisible by 3. A229852

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = sqrt( ∏_a=1..n-1 ∏_b=1..k-1 (4·sin(a*π/n)² + 4·cos(b*π/k)²) ). A340561

Numbers k such that k divides A306069(k). A344731

Composite numbers k+1 such that k*φ(k+1) is a perfect square. A69068