Properties of the Number 20029

Twenty Thousand Twenty-Nine

Basics

Value: 20028 → 20029 → 20030

Parity: odd

Prime: Yes

Previous Prime: 20023

Next Prime: 20047

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 20029

Divisors: 1, 20029

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111000111101

Octal: 47075

Duodecimal: B711

Hexadecimal: 4e3d

Square: 401160841

Square Root: 141.52384958020326

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 of the form m² + 3m + 9, where m can be positive or negative. A5471

Number of integer partitions of n containing their multiset of multiplicities (as a submultiset). A325702

Primes p = prime(i) of level (1,3), i.e., such that A118534(i) = prime(i-3). A118467

Luhn primes: primes p such that p + (p reversed) is also a prime. A61783

Number of partitions of n having no parts with multiplicity 3. A118807

a(n) is the least prime > a(n-1) whose digits do not appear in a(n-1). A30284

Primes p = p_n+1 such that p_n + p_n+2 = 2·p_n+1 + 12. A95673

Primes having only {0, 2, 9} as digits. A261268

a(n) is the numerator of (1134·n³ + 2097·n² + 1188·n + 193)/(10368·n⁴ + 20736·n³ + 14112·n² + 3744·n + 320). A374607

Smallest k such that A073734(k) = n, where A073734 is the GCD of consecutive terms of the EKG sequence A064413. A382222