Properties of the Number 44290

Forty-Four Thousand Two Hundred Ninety

Basics

Value: 44289 → 44290 → 44291

Parity: even

Prime: No

Previous Prime: 44281

Next Prime: 44293

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 43 × 103

Divisors: 1, 2, 5, 10, 43, 86, 103, 206, 215, 430

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010110100000010

Octal: 126402

Duodecimal: 2176A

Hexadecimal: ad02

Square: 1961604100

Square Root: 210.45189474081718

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

Pentagonal numbers (A000326) that are the sum of five consecutive pentagonal numbers. A257714

a(0) = 0, a(1) = 1, for n > 1, a(n) = a(n-1) + a(n-A002487(n)). A283474

Denominators of continued fraction convergents to sqrt(854). A42649

First differences of A283474. A283479

a(n) = (A001359(n+1)² - 1)/24, where A001359 = lesser of twin primes; or: pentagonal numbers (A000326) whose indices are twin ranks (A002822). A308344

(Prime(prime(n))²-1)/24. A92772

For the numbers k that can be expressed as k = w+x = y·z with w·x = (y+z)² where w, x, y, and z are all positive integers, this sequence gives the corresponding values of y+z. A343860

Numbers k such that k | 6^k + 5^k + 4^k + 3^k + 2^k. A57256

Number of nX5 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in decreasing order. A166848

Pentagonal numbers which are products of four distinct primes. A381919