Properties of the Number 29921

Twenty-Nine Thousand Nine Hundred Twenty-One

Basics

Value: 29920 → 29921 → 29922

Parity: odd

Prime: Yes

Previous Prime: 29917

Next Prime: 29927

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 29921

Divisors: 1, 29921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010011100001

Octal: 72341

Duodecimal: 15395

Hexadecimal: 74e1

Square: 895266241

Square Root: 172.97687706742772

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 from merging of 5 successive digits in decimal expansion of Euler-Mascheroni constant. A198779

Primes from merging of 6 successive digits in decimal expansion of Euler-Mascheroni constant. A198780

Primes from merging of 7 successive digits in decimal expansion of Euler-Mascheroni constant. A198781

Numbers m such that the decimal number concat(8,m) is a square. A273363

Primes that become squares when prefixed with an 8. A167741

Numbers k such that the fractional part of (π-2)^k is greater than 1-(1/k). A153720

Primes of the form k² - 8. A28886

Primes p such that 1p1, 3p3, 7p7 and 9p9 are all primes. A59694

Number of typable λ terms of size n with size 0 for the variables. A236393

Triangle read by rows: T(n,k) is the number of unlabeled graphs with n nodes and bipartite dimension (or biclique covering number) k, 0 <= k < n. A355334