Properties of the Number 30320

Thirty Thousand Three Hundred Twenty

Basics

Value: 30319 → 30320 → 30321

Parity: even

Prime: No

Previous Prime: 30319

Next Prime: 30323

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 × 379

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011001110000

Octal: 73160

Duodecimal: 15668

Hexadecimal: 7670

Square: 919302400

Square Root: 174.12639087743133

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

Row sums in triangle A081994. A81997

4-Smith numbers. A103125

Base-4 numbers whose list of divisors (in base 4) contains each digit 0-3 the same number of times. A45813

Govindarajan's triangle F arising in enumeration of multi-dimensional partitions, read by rows. A216802

G.f. A(x) satisfies: A( A(x)² - 2·A(x)³ ) = x·A(x). A272820

Number of partitions of n into parts not of the form 23k, 23k+7 or 23k-7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 10 are greater than 1. A35995

A simple context-free grammar: convolution square of A049140. A52708

Numbers k such that k⁴ = a⁴ + b⁴ + c⁴ + d⁴ has at least two positive primitive solutions. A331675

Least k such that the base-2 representation of n begins at s(k), where s=A030317. A30320

A simple context-free grammar in a labeled universe: labeled version of A052708. A52738