Properties of the Number 26039

Twenty-Six Thousand Thirty-Nine

Basics

Value: 26038 → 26039 → 26040

Parity: odd

Prime: No

Previous Prime: 26029

Next Prime: 26041

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 2003

Divisors: 1, 13, 2003, 26039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110010110110111

Octal: 62667

Duodecimal: 1309B

Hexadecimal: 65b7

Square: 678029521

Square Root: 161.36604351597643

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 symmetric plane partitions of n. A5987

a(n) = n³ - (n+1)². A153257

Number of partitions of n such that (greatest part) - (least part) > number of parts. A237833

a(n) = 1·prime(n) + 2·prime(n-1) + ... + k·prime(n+1-k), where k=floor((n+1)/2) and prime(n) is the n-th prime. A23870

Numbers n such that σ (φ ( n ) ) = σ (σ (n ) ) where φ is Euler's totient and σ is the multiplicative sum-of-divisors function. A65556

Triangle read by rows: T(n,k) is the number of n-tuples with sum k + n whose i-th element is a positive integer <= prime(i), 0 <= k < A070826(n). A239738

Number of (n+2) X (7+2) 0..1 arrays with no 3·3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1. A257446

Number of 7 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A281475

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = (primes). A24867

Reverse of smallest prime factor of k = largest prime factor of k+1; a(1)=1. A71392