Properties of the Number 41720

Forty-One Thousand Seven Hundred Twenty

Basics

Value: 41719 → 41720 → 41721

Parity: even

Prime: No

Previous Prime: 41719

Next Prime: 41729

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 149

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001011111000

Octal: 121370

Duodecimal: 20188

Hexadecimal: a2f8

Square: 1740558400

Square Root: 204.25474290698858

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

Number of compositions of n where each part after the first is either twice, half, or equal to the prior part. A342340

Nonunitary weird numbers: numbers that are nonunitary abundant but not nonunitary pseudoperfect. A327948

Triangle T(n,k)=number of forests of labeled rooted trees of height at most 1, with n labels and k nodes, where any root may contain >= 1 labels, n >= 0, 0<=k<=n. A143397

Numerators of continued fraction convergents to sqrt(380). A41720

G.f. satisfies: x = A(x) - A(x)² - A(A(x))². A177409

Numbers k such that k⁴ = a⁴ + b⁴ + c⁴ + d⁴ has at least two positive primitive solutions. A331675