Properties of the Number -139307

One Hundred Thirty-Nine Thousand Three Hundred Seven

Basics

Value: -139308 → -139307 → -139306

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 ² × 2843

Divisors: 1, 7, 49, 2843, 19901, 139307

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010000000101011

Octal: -420053

Duodecimal: -6874B

Hexadecimal: -2202b

Square: 19406440249

Square Root: 373.23852962951185

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

T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. A188695

Starting from k=7, each subsequent term is the next larger odd k such that A005940(k) >= k and the ratio A005940(k)/k is nearer to 1.0 than for any previous k in the sequence. A364572

Number of nX5 binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. A188691

Number of 4-noncrossing RNA structures with arc-length => 4. A140639

Number of n X n binary arrays without the pattern 0 1 0 diagonally, vertically, antidiagonally or horizontally. A188688