Properties of the Number -240120

Two Hundred Forty Thousand One Hundred Twenty

Basics

Value: -240121 → -240120 → -240119

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 5 × 23 × 29

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -111010100111111000

Octal: -724770

Duodecimal: -B6B60

Hexadecimal: -3a9f8

Square: 57657614400

Square Root: 490.02040773829003

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

Numbers n such that σ(φ(n))-φ(n) = φ(σ(n)-n). A132793

Number of words of length 4 in the n(n-1)/2 transpositions of S[ n ] equivalent to the identity. A29699

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 49. A31727

E.g.f. satisfies (1-x·A(x))*A(x·e^x)=1. A184932