Properties of the Number -136990

One Hundred Thirty-Six Thousand Nine Hundred Ninety

Basics

Value: -136991 → -136990 → -136989

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 7 × 19 × 103

Divisors: 1, 2, 5, 7, 10, 14, 19, 35, 38, 70

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -100001011100011110

Octal: -413436

Duodecimal: -6733A

Hexadecimal: -2171e

Square: 18766260100

Square Root: 370.12160163924506

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 numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly one way. A76454

Expansion of (1+4·x+x²)/((1+x)²*(1-x)⁵). A233329

T(n,k) = Number of idempotent n X n 0..k matrices of rank 2. A224114

Number of reduced words of length n in Coxeter group on 20 generators S_i with relations (S_i)² = (S_i S_j)⁴ = I. A163124

Number of idempotent 5X5 0..n matrices of rank 2. A224116