Properties of the Number -171396

One Hundred Seventy-One Thousand Three Hundred Ninety-Six

Basics

Value: -171397 → -171396 → -171395

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴ × 23 ²

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 27

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101001110110000100

Octal: -516604

Duodecimal: -83230

Hexadecimal: -29d84

Square: 29376588816

Square Root: 414

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

a(n) = (11·n + 7)². A17474

Numbers with 45 divisors. A175752

Numbers of the form p⁴*q²*r² where p, q, and r are distinct primes. A179746

a(n) = 4·n³ - 3·n + 1. A280089

Numbers k such that σ(k) mod π(k) = 1. A73723

Numbers which when chopped into one, two or more parts, added and squared result in the same number. A104113

Number of subsets of {1,2,...,n-10} without differences equal to 2, 4, 6, 8 or 10. A224812

G.f. A(x) satisfies A(x²)³/A(x⁴)³ = 1 + (A(x)/A(x⁴) - 1)². A376229

Squares n with digit 1 that remain positive square after omitting all 1's from n. A176899

Squares that are a sum of two Fibonacci numbers plus the square of a Fibonacci number. A179459