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Properties of the Number -4120

One Hundred Twenty

Basics

Value: -4121 → -4120 → -4119

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 3 × 5 × 103

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 103, 206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: -1000000011000

Octal: -10030

Duodecimal: -2474

Hexadecimal: -1018

Square: 16974400

Square Root: 64.18722614352485

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

G.f. A(x) satisfies A( A(x) - x ) = A(x)2. A389537
BII-numbers of chains of nonempty sets. A326703
T(n,k)=Number of length n+5 0..k arrays with no six consecutive terms having five times any element equal to the sum of the remaining five. A249530
Number of 2 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1). A100314
T(n,k)=Number of nXk 0..1 arrays avoiding 0 1 0 horizontally and 0 1 1 vertically. A207000
Path-counting array T; each step of a path is (1 right) or (1 up) to a point below line y=x, else (1 right and 1 up) or (1 up) to a point on the line y=x, else (1 left) or (1 up) to a point above line y=x. T(i,j)=number of paths to point (i-j,j), for 1<=j<=i, i >= 1. A55450
Number of ways to write n as an ordered sum of 5 primes (counting 1 as a prime). A341984
Numbers 1 through 10000 sorted lexicographically in octal representation (base 8). A190130
Numbers 1 through 10000 sorted lexicographically in hexadecimal representation (base 16). A190134
T(n,k) = Number of n X k 0..1 arrays avoiding 0 0 1 horizontally and 0 1 1 vertically. A206785