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Properties of the Number 22880

Twenty-Two Thousand Eight Hundred Eighty

Basics

Value: 22879 → 22880 → 22881

Parity: even

Prime: No

Previous Prime: 22877

Next Prime: 22901

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 5 × 5 × 11 × 13

Divisors: 1, 2, 4, 5, 8, 10, 11, 13, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100101100000

Octal: 54540

Duodecimal: 112A8

Hexadecimal: 5960

Square: 523494400

Square Root: 151.2613632095123

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

a(n) = n*(n+1)*(2·n+1)/3. A6331
a(n) = 2·C(2·n,n-1). A162551
"DHK[ 5 ]" (bracelet, identity, unlabeled, 5 parts) transform of 1,1,1,1,... A32246
Elements to the right of the central elements of the even-Pascal triangle A028326 that are not 2. A28331
Distinct elements to the right of the central elements of the even-Pascal triangle A028326. A28332
Sums of the antidiagonals of Sundaram's sieve (A159919). A159920
Number of partitions in parts not of the form 15k, 15k+1 or 15k-1. Also number of partitions with no part of size 1 and differences between parts at distance 6 are greater than 1. A35955
Numbers of the form p5*q·r*s where p, q, r, and s are distinct primes. A179704
Lexicographically earliest sequence such that for any n>1, n=u·v, where u/v = a(n)/a(n-1) in reduced form. A260850
Numbers that, when expressed in base 4 and then interpreted in base 10, yield a multiple of the original number. A32540