Properties of the Number -139520

One Hundred Thirty-Nine Thousand Five Hundred Twenty

Basics

Value: -139521 → -139520 → -139519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁸ × 5 × 109

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010000100000000

Octal: -420400

Duodecimal: -688A8

Hexadecimal: -22100

Square: 19465830400

Square Root: 373.52376095772007

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 paraffins (see Losanitsch reference for precise definition). A6010

a(n) = ∑_d∣n max(d, n/d)⁴. A297843

a(n) = A341886(n)/2; numbers k such that A307437(k) is even. A341887

Fourier coefficients of T₁₀. A35315

Principal diagonal of the convolution array A213841. A213842

Triangle read by rows: T(n,k) is the number of k-colored graphs on n nodes with restricted labels, n>=0, 0<=k<=n. A335330