Properties of the Number 2940

Two Thousand Nine Hundred Forty

Basics

Value: 2939 → 2940 → 2941

Parity: even

Prime: No

Previous Prime: 2939

Next Prime: 2953

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 ²

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101111100

Octal: 5574

Duodecimal: 1850

Hexadecimal: b7c

Square: 8643600

Square Root: 54.22176684690383

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) = n²*(n+1). A11379

Expansion of g.f.: (1+x)/(1-14·x). A170734

Triangle read by rows: T(k,s) = ((2·k+1)/(2·s+1))*binomial(k+s,2·s), 0 <= s <= k. A111125

Numbers whose unsorted prime signature is not unimodal. A332282

Triangle of numbers related to triangle A049375; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297... A49385

Number of integer partitions of n with unimodal run-lengths. A332280

Triangle read by rows: T(n, k) = (k+1)*A132393(n+1, k+1), for 0 <= k <= n. A28421

a(n) = |{m : multiplicative order of 10 mod m is equal to n}|. A59892

a(0) = 1, and for n > 0, a(n) = A000040(A000120(n)) * a(floor(n/2)); essentially sequence A055932 generated using A000120, hence sorted by number of factors. A57335

Triangle read by rows, T(n, k) = binomial(n, k)*binomial(n + 2, k). A62196