Properties of the Number -30345

Thirty Thousand Three Hundred Forty-Five

Basics

Value: -30346 → -30345 → -30344

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 17 ²

Divisors: 1, 3, 5, 7, 15, 17, 21, 35, 51, 85

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011010001001

Octal: -73211

Duodecimal: -15689

Hexadecimal: -7689

Square: 920819025

Square Root: 174.19816302131318

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

Triangle read by rows: T(n,k) appears in the transformation ∑_k=0..n (k+1)*x^k = ∑_k=0..n T(n,k)*(x+3k)^k. A253384

a(n) = (n+1)²*(n+2)*(2·n+3)/6. A108678

Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k up-down cycles (0<=k<=n). A cycle (b(1), b(2), ...) is said to be up-down if, when written with its smallest element in the first position, it satisfies b(1)<b(2)>b(3)<... . A186358

Antidiagonal sums of the convolution array A213849. A213850

Total number of inversions in all partitions of n into distinct parts. A271371

Numerators of continued fraction convergents to sqrt(742). A42428

Fourth column (m=5) of array A090452. A90454

One fifth of the sum of the first n primes, when an integer. A112271

Expansion of 1/(x^k*(1-x-2·x^k+1)) for k=8. A143451

Number of 3n-length 9-ary words, either empty or beginning with the first letter of the alphabet, that can be built by repeatedly inserting triples of identical letters into the initially empty word. A218479