Properties of the Number 42974

Forty-Two Thousand Nine Hundred Seventy-Four

Basics

Value: 42973 → 42974 → 42975

Parity: even

Prime: No

Previous Prime: 42967

Next Prime: 42979

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 21487

Divisors: 1, 2, 21487, 42974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011111011110

Octal: 123736

Duodecimal: 20A52

Hexadecimal: a7de

Square: 1846764676

Square Root: 207.30171248689675

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

G.f.: ∏_j>=1 ∏_i>=1 (1 + x^i·j). A107742

Expansion of ∏_k>=1 ((1 + x^k) / (1 + x^5·k))^k. A285291

Number of sets of exactly n positive integers <= n+7 having a square element sum. A281970

Number of Dyck paths of semilength n such that no level has more than three peaks. A287967

Numbers k such that k, k+1, k+2 and k+3 are all sums of a positive square and a positive cube. A329807

n 1's followed by a 2. A42974