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Properties of the Number 30288

Thirty Thousand Two Hundred Eighty-Eight

Basics

Value: 30287 → 30288 → 30289

Parity: even

Prime: No

Previous Prime: 30271

Next Prime: 30293

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 4 × 3 × 631

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011001010000

Octal: 73120

Duodecimal: 15640

Hexadecimal: 7650

Square: 917362944

Square Root: 174.03447934245673

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

Subdiagonal of array of n-gonal numbers A081422. A81423
Numbers k such that A322582(k) <= A276086(k) <= A348507(k). A392602
G.f. satisfies: A(x) = 1 + ∑n>=1 xn*A2^(n-1). A107589
a(n) = 841·n2 + 2·n. A158403
The number of ways in which n is equal to the sum of digits taken from the numbers <= n. A245439
Number of compositions of n into parts with distinct multiplicities and with exactly eight parts. A321778
Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29. A31707
63-gonal numbers: a(n) = n*(61·n - 59)/2. A98140
Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A253218
Expansion of e.g.f. ∏k>=1 (1 + arctanh(xk)). A330544