Properties of the Number -126224

One Hundred Twenty-Six Thousand Two Hundred Twenty-Four

Basics

Value: -126225 → -126224 → -126223

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 7 ³ × 23

Divisors: 1, 2, 4, 7, 8, 14, 16, 23, 28, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11110110100010000

Octal: -366420

Duodecimal: -61068

Hexadecimal: -1ed10

Square: 15932498176

Square Root: 355.2801711325866

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

Indices of highly composite triangular numbers. A101755

Numbers k such that both k and k+1 are Zumkeller numbers (A083207). A328327

a(n) = ∑_0<j<k<=n k³-j³. A206809

Numbers k such that k and k+1 are both in A357605. A357608

a(n) is the smallest positive integer such that d(a(n))*d(a(n)+1) > d(a(n-1))*d(a(n-1)+1), where d(m) is the number of divisors of m and n > 1; a(1) = 1. A123000

a(n) is the least number k such that A048105(k) = A048105(k+1) = 2·n, and 0 if it does not exist. A344315

Series for second parallel moment of square lattice (eventually changes sign). A6733

Number of nX4 0..1 arrays with every element equal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300368

Numbers m such that min(d(m), d(m+1)) > min(d(k), d(k+1)) for all k < m, where d(m) is the number of divisors of m (A000005). A333053