Properties of the Number 28468

Twenty-Eight Thousand Four Hundred Sixty-Eight

Basics

Value: 28467 → 28468 → 28469

Parity: even

Prime: No

Previous Prime: 28463

Next Prime: 28477

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 11 × 647

Divisors: 1, 2, 4, 11, 22, 44, 647, 1294, 2588, 7117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111100110100

Octal: 67464

Duodecimal: 14584

Hexadecimal: 6f34

Square: 810427024

Square Root: 168.72462772221488

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

Otto Haxel's guess for magic numbers of nuclear shells. A33547

Number of pointed multiset partitions of normal pointed multisets of weight n. A262671

Starting index of a string of exactly 5 consecutive equal digits in decimal expansion of π. A49521

Starting index of a string of 5 or more consecutive equal digits in decimal expansion of π. A49517

Starting index of a string of 4 or more consecutive equal digits in decimal expansion of π. A49516

Triangle read by rows: T(n,k) = number of peakless Motzkin paths of length n containing k U H^j Us for some j>0, where U=(1,1) and H=(1,0) (can be easily expressed using RNA secondary structure terminology). A97777

Starting positions of strings of four 3's in the decimal expansion of π. A83611

Number of (w,x,y,z) with all terms in {0,...,n} and w=[R/2], where R=max{w,x,y,z}-min{w,x,y,z} and [ ]=floor. A212758

10000n+1, 10000n+3, 10000n+7, 10000n+9 are all primes. A64963

Starting positions of strings of three 3's in the decimal expansion of π. A83610