Properties of the Number -154290

One Hundred Fifty-Four Thousand Two Hundred Ninety

Basics

Value: -154291 → -154290 → -154289

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 37 × 139

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 37, 74

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100101101010110010

Octal: -455262

Duodecimal: -75356

Hexadecimal: -25ab2

Square: 23805404100

Square Root: 392.7976578341577

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 which have one or more occurrences of exactly six different digits. A241789

Number of Lyndon compositions (aperiodic necklaces of positive integers) with sum n and adjacent parts (including the last with the first part) being coprime. A318745

Triangular numbers which are sums of 4 consecutive primes. A173420

a(n) = t(n)_t(n) where t() = triangular numbers A000217. A122628

Least triangular number representable as a sum of n consecutive triangular numbers, or -1 if no such triangular number exists. A238017

Triangular numbers which are products of five distinct primes. A357590