Properties of the Number -154449

One Hundred Fifty-Four Thousand Four Hundred Forty-Nine

Basics

Value: -154450 → -154449 → -154448

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 131 ²

Divisors: 1, 3, 9, 131, 393, 1179, 17161, 51483, 154449

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101101101010001

Octal: -455521

Duodecimal: -75469

Hexadecimal: -25b51

Square: 23854493601

Square Root: 393

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

Numerator of Euler(n, 1/11). A156292

a(n) = (11·n + 8)². A17486

a(n) = (14·n+1)². A134934

Squares of the central trinomial coefficients (A002426). A168597

Numbers k such that τ(k+1) - τ(k) = 3, where τ(k) = the number of divisors of k (A000005). A230653

A positive integer is included if it is a square that contains the same number of 0's as 1's when represented in binary. A164343

Squares sandwiched between two numbers divisible by squares. A88068

a(n) = (10·n + 3)². A17306

a(n) = (12·n + 9)². A17630

RF(3): refactorable numbers with smallest prime factor 3. A120319