Properties of the Number 23139

Twenty-Three Thousand One Hundred Thirty-Nine

Basics

Value: 23138 → 23139 → 23140

Parity: odd

Prime: No

Previous Prime: 23131

Next Prime: 23143

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 857

Divisors: 1, 3, 9, 27, 857, 2571, 7713, 23139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101001100011

Octal: 55143

Duodecimal: 11483

Hexadecimal: 5a63

Square: 535413321

Square Root: 152.11508800904662

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 ordered triples (i,j,k) with |i| + |j| + |k| <= n and gcd(i,j,k) <= 1. A100450

Numbers that are the sum of five fourth powers in three or more ways. A344243

Numbers that are the sum of five fourth powers in exactly three ways. A344244

Starting numbers for which the RATS sequence has eventual period 3. A114613

a(n) = A273059(4n+3). A275919

Numerator of Sum[ Prime[k]², {k,1,n}] / Product[ Prime[k], {k,1,n}] = Numerator[ A024450[n] / A002110[n] ]. A122136

Number of ordered triples (w,x,y) with all terms in {-n,...,-1,1,...,n} and w+3x+3y>0. A211625

Number of cycles of function f(x) = 7x mod n. A23139

Least positive number with exactly n partitions into a square and a cube. A122054