Properties of the Number 2729

Two Thousand Seven Hundred Twenty-Nine

Basics

Value: 2728 → 2729 → 2730

Parity: odd

Prime: Yes

Previous Prime: 2719

Next Prime: 2731

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2729

Divisors: 1, 2729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 101010101001

Octal: 5251

Duodecimal: 16B5

Hexadecimal: aa9

Square: 7447441

Square Root: 52.23983154643591

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 p such that p² + p + 1 is prime. A53182

Dispersion of A042948 (numbers >3, congruent to 0 or 1 mod 4), by antidiagonals. A191663

Honaker primes: primes P(k) such that sum of digits of P(k) equals sum of digits of k. A33548

Primes congruent to 1 mod 31. A142005

Primes of the form x² + 40y². A107145

Prime self (or Colombian) numbers: primes not expressible as the sum of an integer and its digit sum. A6378

Number of primes < prime(n)². A879

Smaller member of a twin prime pair whose mean is a multiple of A002110(3)=30. A60229

Balanced primes of order five. A96697

Number of "ON" cells at n-th stage in simple 2-dimensional cellular automaton (see Comments for precise definition). A160118