Properties of the Number 70042

Seventy Thousand Forty-Two

Basics

Value: 70041 → 70042 → 70043

Parity: even

Prime: No

Previous Prime: 70039

Next Prime: 70051

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 5003

Divisors: 1, 2, 7, 14, 5003, 10006, 35021, 70042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000110011010

Octal: 210632

Duodecimal: 3464A

Hexadecimal: 1119a

Square: 4905881764

Square Root: 264.65449174348055

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

Expansion of (1-4x+12x²-16x³+8x⁴)/(1-x)⁵. A119327

Number of totally aperiodic integer partitions of n. A319811

Numbers that are partial sums of the reverses of the sequence of primes and are reverses of primes. A381245

T(n, k) = ∑_{m = 0..n-1} Stirling1(m+1, k)*binomial(n, m)*(-1)^{n + k}, where "Stirling1" are the signed Stirling numbers of the first kind. A367198

At these values of k the 1st, 2nd, 3rd, 4th and 5th cyclotomic polynomials all give prime numbers. A70042