Properties of the Number -174420

One Hundred Seventy-Four Thousand Four Hundred Twenty

Basics

Value: -174421 → -174420 → -174419

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 5 × 17 × 19

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101010100101010100

Octal: -524524

Duodecimal: -84B30

Hexadecimal: -2a954

Square: 30422336400

Square Root: 417.6362053270765

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

Expansion of the 48th root of the series 2·E₂(x) - E₄(x), where E₂(x) and E₄(x) are the Eisenstein series of weight 2 and 4. A377976

a(n) = (n+1)*binomial(n+5, 5). A27810

a(n) = 2*(n+1)*binomial(n+3,4). A27789

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+161)² = y². A206426

Expansion of (1+x²*C)*C³, where C = (1-(1-4·x)^1/2)/(2·x) is g.f. for Catalan numbers, A000108. A71718

a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)/8. A151974

Expansion of e.g.f. 1 / ( 1 - ∑_k>=0 x^3·k+5 / (3·k+5)! ). A365916

a(1)=1. For n>1, a(n) equals the smallest number > a(n-1) of the form a(k) U j U a(k) U j, where U represents concatenation (written in decimal) of the binary representation of the arguments, where 1<=k < n, and j = {0} or {1} or {}. A175336