Properties of the Number 30001

Thirty Thousand One

Basics

Value: 30000 → 30001 → 30002

Parity: odd

Prime: No

Previous Prime: 29989

Next Prime: 30011

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 19 × 1579

Divisors: 1, 19, 1579, 30001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111010100110001

Octal: 72461

Duodecimal: 15441

Hexadecimal: 7531

Square: 900060001

Square Root: 173.20796748417783

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

Irregular triangle read by rows: row n lists all of the distinct derivable strings in the MIU formal system that are n characters long. A369173

Semiprimes in A056107. A113525

Least positive integer m with π(m·n) = φ(m), where π(.) is the prime-counting function and φ(.) is Euler's totient function. A247601

A239461(n) / n². A239464

Numbers k such that k²+k+7 is a palindrome. A27722

Numbers n with property that n is a substring of its base 5 representation. A38105

a(n) = 3·10ⁿ + 1. A199683

Greater of number pair whose squares are reversals of each other, with no leading zeros allowed. A106324

Numbers m such that m^m == m (mod 10^len(m + 2)), where len(m) is the number of digits of m (A055642). A373206

Numbers n such that there are (presumably) ten palindromes in the Reverse and Add! trajectory of n. A90071