Properties of the Number 42407

Forty-Two Thousand Four Hundred Seven

Basics

Value: 42406 → 42407 → 42408

Parity: odd

Prime: Yes

Previous Prime: 42403

Next Prime: 42409

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 42407

Divisors: 1, 42407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010110100111

Octal: 122647

Duodecimal: 2065B

Hexadecimal: a5a7

Square: 1798353649

Square Root: 205.9295996208413

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

Regular triangle where T(n,k) is the number of non-isomorphic multiset partitions of weight n with k connected components. A321194

Primes p whose period of reciprocal equals (p-1)/7. A56212

Septic artiads: primes p congruent to 1 mod 14 for which all solutions of the congruence x³ + x² - 2x - 1 == 0 (mod p) are 7th power residues. A270800

Records in A039654. A292112

Lower twin primes with lower twin prime index. A88460

Prime numbers preceded by two consecutive numbers which are products of four distinct primes (or tetraprimes). A361796

Primes of the Form : p1=a·b+c;p2=a·c+b;p3=b·c+a;p=(p1+p2+p3)/2; p1,p2 and p3 are three consecutive prime numbers. A157722

Initial members of prime quadruples (n, n+2, n+54, n+56). A248661

Interlopers in sexy prime quadruples. A358322

Denominators of continued fraction convergents to sqrt(731). A42407