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Properties of the Number 29930

Twenty-Nine Thousand Nine Hundred Thirty

Basics

Value: 29929 → 29930 → 29931

Parity: even

Prime: No

Previous Prime: 29927

Next Prime: 29947

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 41 × 73

Divisors: 1, 2, 5, 10, 41, 73, 82, 146, 205, 365

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111010011101010

Octal: 72352

Duodecimal: 153A2

Hexadecimal: 74ea

Square: 895804900

Square Root: 173.0028901492689

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

Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639). A242719
a(n) = prime(n)2 + 1. A66872
Smallest even k such that lpf(k-1) = prime(n), while lpf(k-3) > prime(n), where lpf=least prime factor (A020639). A242489
Numbers of the form m2 + 1 that can be expressed in more than one way as j2 + k2 with j > k > 1. A299708
The smallest numbers of every class in a classification of positive numbers (see comment). A247395
Numbers of the form m2 + 1 that can be expressed in more than one way as j2 + k2 with j > k > 1 and gcd(j,k) = 1. A300166
Numbers m such that σ(m-1) is a prime. A270413
Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways. A225104
The least common multiple of 1 + n2 and 1 + n3. A281661
a(n) = ∑k >= 0 floor(n2·k+1 / (2·k+1)!). A309104

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