Properties of the Number 41248

Forty-One Thousand Two Hundred Forty-Eight

Basics

Value: 41247 → 41248 → 41249

Parity: even

Prime: No

Previous Prime: 41243

Next Prime: 41257

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 1289

Divisors: 1, 2, 4, 8, 16, 32, 1289, 2578, 5156, 10312

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010000100100000

Octal: 120440

Duodecimal: 1BA54

Hexadecimal: a120

Square: 1701397504

Square Root: 203.09603639657766

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

Triangle T(n,k) (0 <= k <= n) read by rows: top entry is 1, all other rows begin with 0; typical entry is sum of entry to left plus sum of all entries above it in the triangle. A59226

T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once. A268798

Number of nX3 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once. A268793

Number of nX7 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once. A268797

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = -1, a(1) = -2, a(2) = 1, a(3) = 1. A298158

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (-1, 1, 0), (1, 0, 1), (1, 1, 0)}. A150703

Coefficient of xⁿ in the expansion of (1+x³+x⁴)ⁿ. A192442

Numerators of continued fraction convergents to sqrt(136). A41248

Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318342

Each letter appears an even number of times in the English names for 1 through n taken together (names with "and"). A103155