Properties of the Number 74021

Seventy-Four Thousand Twenty-One

Basics

Value: 74020 → 74021 → 74022

Parity: odd

Prime: Yes

Previous Prime: 74017

Next Prime: 74027

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 74021

Divisors: 1, 74021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000100100101

Octal: 220445

Duodecimal: 36A05

Hexadecimal: 12125

Square: 5479108441

Square Root: 272.0680062043312

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

Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957. A337644

Primes where the first digit equals the sum of all the other digits. A156307

Primes that remain prime through 4 iterations of function f(x) = 3x + 10. A23310

Number of permutations of [n] avoiding {1324, 1342, 3412}. A294814

Number of elements of GF(7ⁿ) with trace 1 and subtrace 4. A74021