Properties of the Number 30233

Thirty Thousand Two Hundred Thirty-Three

Basics

Value: 30232 → 30233 → 30234

Parity: odd

Prime: No

Previous Prime: 30223

Next Prime: 30241

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 ² × 617

Divisors: 1, 7, 49, 617, 4319, 30233

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011000011001

Octal: 73031

Duodecimal: 155B5

Hexadecimal: 7619

Square: 914034289

Square Root: 173.87639287723908

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

a(n) = 2²ⁿ⁺¹*cos(nA), where A is the angle opposite side BC in a triangle ABC having sidelengths |BC|=2, |CA| = 3, |AB| = 4; ABC is the smallest integer-sided scalene triangle. A375880

Number of compositions of n where the largest part is less than or equal to the number of parts. A77229

a(n) = ∑_k=1..n floor(n/k)⁴. A318743

a(n) = 2ⁿ⁺¹*cos(n·arctan(sqrt(15))). A272931

Nonnegative integers k such that k! mod nextprime(k) is larger than k. A360805

Numerators of continued fraction convergents to sqrt(63). A41110

Numerator of h(n+6) - h(n), where h(n) = ∑_k=1..n 1/k. A192359

Number of (n+4)X6 binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s. A183459

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..2 array extended with zeros and convolved with 1,2,1. A222121

a(n) = ∑_k=0..nC(n,k)³*(-8)^k with C(n,k) = n!/(k!(n-k)!). A245329