Properties of the Number 44480

Forty-Four Thousand Four Hundred Eighty

Basics

Value: 44479 → 44480 → 44481

Parity: even

Prime: No

Previous Prime: 44453

Next Prime: 44483

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 5 × 139

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010110111000000

Octal: 126700

Duodecimal: 218A8

Hexadecimal: adc0

Square: 1978470400

Square Root: 210.9028212234251

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 ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+2) rectangle. A274596

The function W_n(6) (see Borwein et al. reference for definition). A169711

Numbers k such that 128·3^k - 1 is prime. A384228

Numbers k such that sopfr(k + bigomega(k)) = sopfr(k). A187877

EXPCONV of squares A000290 with themselves. A33463

a(n) = ∑_{m=0..floor((n-1)/2)} prime((n-m)(n-m-1)/2+m+1). A249490

Expansion of e.g.f. arcsin(exp(x) - sec(x)). A13329

E.g.f. A(x) satisfies: [xⁿ] A(x)^n*(n+1) = 2·n * [x^n-1] A(x)^n*(n+1) for n>=1. A300873

O.g.f. A(x) satisfies: [xⁿ] exp( n*(n+1) * A(x) ) = 2·n * [x^n-1] exp( n*(n+1) * A(x) ) for n>=1. A300874

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303042