Properties of the Number -109278

One Hundred Nine Thousand Two Hundred Seventy-Eight

Basics

Value: -109279 → -109278 → -109277

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 × 467

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11010101011011110

Octal: -325336

Duodecimal: -532A6

Hexadecimal: -1aade

Square: 11941681284

Square Root: 330.57223113867263

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

Triangular numbers which have one or more occurrences of exactly six different digits. A241789

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

Hexagonal numbers (A000384) in which parity of digits alternates. A297645

Semiperimeter of the unique primitive Pythagorean triple whose inradius is A000045(n) and such that its long leg and its hypotenuse are consecutive natural numbers. A382609

Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234.... A68804

Number of binary strings of length n that contain at least one maximal run of ones of even length. A387332

Triangular numbers for which the sum of the digits equals the sum of the digits of the next triangular number. A117511

Triangular numbers for which the sum of the digits is a cube. A117803