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Properties of the Number 2679

Two Thousand Six Hundred Seventy-Nine

Basics

Value: 2678 → 2679 → 2680

Parity: odd

Prime: No

Previous Prime: 2677

Next Prime: 2683

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 47

Divisors: 1, 3, 19, 47, 57, 141, 893, 2679

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101001110111

Octal: 5167

Duodecimal: 1673

Hexadecimal: a77

Square: 7177041

Square Root: 51.75905717843013

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) = 4·n2 - 9·n + 6. A54556
a(n) = n*(n+10). A98603
Numerator of 1/25 - 1/n2. A61043
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A258511
a(1) = 4; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46254
Sum of the smallest parts of the partitions of n into 8 squarefree parts. A326445
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically. A254998
Numbers that are the sum of nine fourth powers in three or more ways. A345587
Numbers that are the sum of nine fourth powers in exactly three ways. A345845
Number of length n word structures with all distinct run-lengths using an infinite alphabet. A351638