Properties of the Number 22861

Twenty-Two Thousand Eight Hundred Sixty-One

Basics

Value: 22860 → 22861 → 22862

Parity: odd

Prime: Yes

Previous Prime: 22859

Next Prime: 22871

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 22861

Divisors: 1, 22861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100101001101

Octal: 54515

Duodecimal: 11291

Hexadecimal: 594d

Square: 522625321

Square Root: 151.19854496654392

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

Primes that are palindromic in base 2 (but written here in base 10). A16041

Small-number statistic from the enumeration of domino tilings of a 9-pillow of order n. A112844

Binary palindromes (cf. A006995) such that the number of contiguous palindromic bit patterns is minimal (for a given number of places). A217099

Quintan primes: p = (x⁵ - y⁵)/(x - y). A2649

Primes associated with groups in A076077. A76076

Expansion of g.f. 1/((1-4·x)*(1-11·x)). A16158

Ratio-determined insertion sequence I(0.26688) (see the link below). A85349

Largest prime < 10·a(n-1), a(1)=23. A124336

Base-10 representation of 0 and the primes at A262627. A262628

Primes that remain prime through 4 iterations of function f(x) = 10x + 9. A23329