Properties of the Number -126730

One Hundred Twenty-Six Thousand Seven Hundred Thirty

Basics

Value: -126731 → -126730 → -126729

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 19 × 23 × 29

Divisors: 1, 2, 5, 10, 19, 23, 29, 38, 46, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110111100001010

Octal: -367412

Duodecimal: -6140A

Hexadecimal: -1ef0a

Square: 16060492900

Square Root: 355.99157293396706

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

Sum of the parts in the partitions of 4n into 4 parts with smallest part equal to 1 minus the number of these partitions. A239057

Number of partitions of n into parts of 5 kinds. A23004

Sum of the sizes of the longest clique of all partitions of n. A264397

Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically. A207449

a(n) = n*(n-1)*(n²-n+4)/6. A103290