Properties of the Number 7628

Seven Thousand Six Hundred Twenty-Eight

Basics

Value: 7627 → 7628 → 7629

Parity: even

Prime: No

Previous Prime: 7621

Next Prime: 7639

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 1907

Divisors: 1, 2, 4, 1907, 3814, 7628

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110111001100

Octal: 16714

Duodecimal: 44B8

Hexadecimal: 1dcc

Square: 58186384

Square Root: 87.33842224359219

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

Coordination sequence for "reo" 3D uniform tiling. A299279

a(n) is the number of integers m which take n steps to reach 1 in '3x+1' problem. A5186

T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of trunc(x(i)/x(i+1)) equal to zero. A189545

Positive integers k such that k²⁰ + 1 is semiprime (A001358). A105282

Numbers k such that k¹² == 1 (mod 13³). A56086

Sum of numerators of Farey Sequence of order n. A213544

T(n,k)=Number of nXk 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A280161

Numbers k such that k¹² == 1 (mod 13⁴). A56095

Binary representation of base-(i-1) expansion of -n: replace i-1 with 2 in base-(i-1) expansion of -n. A256441

Irregular table read by rows: T(n,k) is the number of k-sided regions, k>=3, in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row. A369178