Properties of the Number 22881

Twenty-Two Thousand Eight Hundred Eighty-One

Basics

Value: 22880 → 22881 → 22882

Parity: odd

Prime: No

Previous Prime: 22877

Next Prime: 22901

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 29 × 263

Divisors: 1, 3, 29, 87, 263, 789, 7627, 22881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100101100001

Octal: 54541

Duodecimal: 112A9

Hexadecimal: 5961

Square: 523540161

Square Root: 151.2646687101783

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

T(n,k)=Number of strings of n numbers x(i) in -k..k with sums of x(i) and of x(i)*x(i+1) both zero. A183944

Triangle, read by rows, where the n-th row lists the coefficients of the polynomial of degree n that generates the n-th diagonal of this sequence. A91150

Odd composite integers m such that A087130(m) == 5 (mod m). A335671

a(n) = (2·n³ + 3·n² + n + 3)/3. A188475

Number of preferential arrangements of n labeled elements when at least k=6 elements per rank are required. A245791

Counterexamples to a conjecture of Ramanujan about congruences related to the partition function. A340757

Quotients k*(k+1)*(k+2) / (k+(k+1)+(k+2)) that are lucky numbers. A32792

Products of 3 evil primes (A027699) p,q,r, such that numbers p·q, p·r, q·r, and p·q*r are odious (A000069). A230353

In base n, a(n) is the largest (decimal equivalent) number reached when one sequentially adds to a sum, starting with zero, the largest digit not in that sum. A260351

Total number of binary digits in all partitions of n into distinct parts. A319140