Properties of the Number 30897

Thirty Thousand Eight Hundred Ninety-Seven

Basics

Value: 30896 → 30897 → 30898

Parity: odd

Prime: No

Previous Prime: 30893

Next Prime: 30911

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3433

Divisors: 1, 3, 9, 3433, 10299, 30897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100010110001

Octal: 74261

Duodecimal: 15A69

Hexadecimal: 78b1

Square: 954624609

Square Root: 175.775424903483

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) = floor(n*φ¹⁶), where φ is the golden ratio, A001622. A4931

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303421

Sum of the sixth largest parts in the partitions of n into 8 parts. A308992

Numbers with 3 or more prime factors (with multiplicity) such that every concatenation of their prime factors is prime. A217264

Composite numbers whose prime factors contain no digits other than 3 and 4. A36314

Transform of Catalan numbers whose Hankel transform satisfies the Somos-4 recurrence. A157100

Non-Brauer numbers. A349044

Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303415

Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303417

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303423