Properties of the Number 1039

One Thousand Thirty-Nine

Basics

Value: 1038 → 1039 → 1040

Parity: odd

Prime: Yes

Previous Prime: 1033

Next Prime: 1049

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 1039

Divisors: 1, 1039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10000001111

Octal: 2017

Duodecimal: 727

Hexadecimal: 40f

Square: 1079521

Square Root: 32.2335229225724

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 partitions of n that do not contain 1 as a part. A2865

Number of knapsack partitions of n. A108917

Numbers k such that 6^k - 5^k is prime. A62572

Primes of the form 8n+7, that is, primes congruent to -1 mod 8. A7522

Primes of form 10·k + 9. A30433

Primes such that their decimal representations interpreted in base 11 are also prime. A91924

Number of partitions of n that do not contain parts less than the smallest part of the partitions of n-1. A187219

Primes of the form x²+Ny², with N=102. A139643

Primes p such that q = (p² + 1)/2 is also a prime. A48161

Primes that become another prime under the map 1 <-> 0 (acting on the digits: A222210), cf. A171013. A175791