Properties of the Number 41561

Forty-One Thousand Five Hundred Sixty-One

Basics

Value: 41560 → 41561 → 41562

Parity: odd

Prime: No

Previous Prime: 41549

Next Prime: 41579

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 13 × 23 × 139

Divisors: 1, 13, 23, 139, 299, 1807, 3197, 41561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001001011001

Octal: 121131

Duodecimal: 20075

Hexadecimal: a259

Square: 1727316721

Square Root: 203.86515150952113

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 Motzkin paths of length n with no level steps at even level. A90345

Number of regions among all distinct circles that can be constructed from the 4 vertices and the equally spaced 4·n points placed on the sides of a square, using only a compass. A372978

a(n) = ∑_{k=0..floor(n/2)} binomial(n-k,k)*A000108(k+1). A185087

Least number k having n representations as the sum of the minimal number of biquadrates A002377(k). A185673

Consecutive states of the linear congruential pseudo-random number generator (2041·s + 25673) mod 121500 when started at s=1. A385362

Column 0 of triangle A055138. A55139

The prime numbers. A40

Denominators of continued fraction convergents to sqrt(298). A41561