Properties of the Number 10239

Ten Thousand Two Hundred Thirty-Nine

Basics

Value: 10238 → 10239 → 10240

Parity: odd

Prime: No

Previous Prime: 10223

Next Prime: 10243

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 3413

Divisors: 1, 3, 3413, 10239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011111111111

Octal: 23777

Duodecimal: 5B13

Hexadecimal: 27ff

Square: 104837121

Square Root: 101.18794394590691

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

Woodall (or Riesel) numbers: n·2ⁿ - 1. A3261

a(n) = 5·2ⁿ - 1. A153894

T(n,k)=Number of zero-sum -k..k arrays of n elements with adjacent element differences also in -k..k. A202252

Least non-balanced x (i.e., not in A020492) such that σ(2n-1,x)/φ(x) is an integer. A78539

Decimal value of the bitmap of active segments in 7-segment display of the number n, variant 2 ("abcdefg" scheme: bits represent segments in clockwise order). A234692

a(n) = 5·2^n-1 - 1, n>0, with a(0)=1. A52549

Number of n-digit primes with all digits distinct. A73532

Semiprimes p such that next semiprime after p is p + 10. A217030

a(n) = 10·n² - 1. A158447

Record values in A135141. A246347