Properties of the Number 49972

Forty-Nine Thousand Nine Hundred Seventy-Two

Basics

Value: 49971 → 49972 → 49973

Parity: even

Prime: No

Previous Prime: 49957

Next Prime: 49991

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 31 ²

Divisors: 1, 2, 4, 13, 26, 31, 52, 62, 124, 403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001100110100

Octal: 141464

Duodecimal: 24B04

Hexadecimal: c334

Square: 2497200784

Square Root: 223.54417907876734

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

Number of 1s in the first 10ⁿ entries of the Kolakoski sequence, A000002. A195206

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2·n - 3 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = a(3) = 3. A49972