Properties of the Number -133386

One Hundred Thirty-Three Thousand Three Hundred Eighty-Six

Basics

Value: -133387 → -133386 → -133385

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 43 × 47

Divisors: 1, 2, 3, 6, 11, 22, 33, 43, 47, 66

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -100000100100001010

Octal: -404412

Duodecimal: -65236

Hexadecimal: -2090a

Square: 17791824996

Square Root: 365.2204813533874

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 that for some k are also the sum of the first k primes. A66527

Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is equal to 1. A272036

Smallest triangular number that contains the string n in its exact center. A62690

Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is the inverse of an integer. A272034

Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is an integer. A272035

First divisors at which integral quotients occur consecutively in A116536 (and associated with A159580). A159581

The smallest triangular number that contains the digits of n in its exact middle. A163598

Triangular numbers (A000217) in A353729. A370520

Triangular numbers which are products of five distinct primes. A357590