ℕ atory
Play Now

Properties of the Number 22250

Twenty-Two Thousand Two Hundred Fifty

Basics

Value: 22249 → 22250 → 22251

Parity: even

Prime: No

Previous Prime: 22247

Next Prime: 22259

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 3 × 89

Divisors: 1, 2, 5, 10, 25, 50, 89, 125, 178, 250

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011011101010

Octal: 53352

Duodecimal: 10A62

Hexadecimal: 56ea

Square: 495062500

Square Root: 149.164338901763

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 partition 2n+1 into distinct positive integers. A78408
a(n) = number of partitions of primes into distinct (also odd) parts. A64688
Triangle T(n,k) read by rows: coefficients of polynomials Pn(t) defined in Formula section. A291844
Solution of the complementary equation a(n) = 2·a(n-1) - a(n-3) + b(n-1), where a(0) = 1, a(1) = 2, a(2) = 3, b(0) = 4, b(1) = 5, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences. A295613
Total sum over all j in [n] of the number of partitions of [j*(n-j)] into (n-j) sets of size j. A370407
Let Do(n)=A006566(n)=n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k>0, with Do(i)=Do(j)+Do(k), ordered by increasing i; sequence gives j values. A53018
Number of ways to partition 4·n+3 into distinct positive integers. A78410
Let π be an unrestricted partition of n with the summands written in binary notation. a(n) is the number of such partitions whose binary representation has an odd number of binary ones. A102437
Column 2 of triangle A291844. A294162
Numbers n such that n2 can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways. A54737